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969680977669 is a prime number
BaseRepresentation
bin11100001110001010111…
…11010111111100000101
310102200220201211111202001
432013011133113330011
5111341401312241134
62021244300345301
7130025412212635
oct16070537277405
93380821744661
10969680977669
1134426a6a5748
12137b20245231
1370595aa5541
1434d0b8b66c5
151a354b22414
hexe1c57d7f05

969680977669 has 2 divisors, whose sum is σ = 969680977670. Its totient is φ = 969680977668.

The previous prime is 969680977663. The next prime is 969680977691. The reversal of 969680977669 is 966779086969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556572697444 + 413108280225 = 746038^2 + 642735^2 .

It is a cyclic number.

It is not a de Polignac number, because 969680977669 - 25 = 969680977637 is a prime.

It is a super-2 number, since 2×9696809776692 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 969680977592 and 969680977601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (969680977663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484840488834 + 484840488835.

It is an arithmetic number, because the mean of its divisors is an integer number (484840488835).

Almost surely, 2969680977669 is an apocalyptic number.

It is an amenable number.

969680977669 is a deficient number, since it is larger than the sum of its proper divisors (1).

969680977669 is an equidigital number, since it uses as much as digits as its factorization.

969680977669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333197952, while the sum is 82.

The spelling of 969680977669 in words is "nine hundred sixty-nine billion, six hundred eighty million, nine hundred seventy-seven thousand, six hundred sixty-nine".