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969736831081 is a prime number
BaseRepresentation
bin11100001110010001101…
…00011100000001101001
310102201001121221011012221
432013020310130001221
5111342010112043311
62021254013434041
7130026661026604
oct16071064340151
93381047834187
10969736831081
11344299184197
12137b36a9b921
13705a452ccb5
1434d1509533b
151a3599a6671
hexe1c8d1c069

969736831081 has 2 divisors, whose sum is σ = 969736831082. Its totient is φ = 969736831080.

The previous prime is 969736831027. The next prime is 969736831087. The reversal of 969736831081 is 180138637969.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562927581225 + 406809249856 = 750285^2 + 637816^2 .

It is a cyclic number.

It is not a de Polignac number, because 969736831081 - 215 = 969736798313 is a prime.

It is a super-2 number, since 2×9697368310812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (969736831087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484868415540 + 484868415541.

It is an arithmetic number, because the mean of its divisors is an integer number (484868415541).

Almost surely, 2969736831081 is an apocalyptic number.

It is an amenable number.

969736831081 is a deficient number, since it is larger than the sum of its proper divisors (1).

969736831081 is an equidigital number, since it uses as much as digits as its factorization.

969736831081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 969736831081 in words is "nine hundred sixty-nine billion, seven hundred thirty-six million, eight hundred thirty-one thousand, eighty-one".