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269696969 is a prime number
BaseRepresentation
bin10000000100110…
…011111111001001
3200210111000200122
4100010303333021
51023020300334
642432313025
76453246353
oct2004637711
9623430618
10269696969
11129267363
12763a2775
1343b4ac09
1427b660d3
1518a2532e
hex10133fc9

269696969 has 2 divisors, whose sum is σ = 269696970. Its totient is φ = 269696968.

The previous prime is 269696929. The next prime is 269696983. The reversal of 269696969 is 969696962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173264569 + 96432400 = 13163^2 + 9820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-269696969 is a prime.

It is a super-2 number, since 2×2696969692 = 145472910175573922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (269696929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134848484 + 134848485.

It is an arithmetic number, because the mean of its divisors is an integer number (134848485).

Almost surely, 2269696969 is an apocalyptic number.

It is an amenable number.

269696969 is a deficient number, since it is larger than the sum of its proper divisors (1).

269696969 is an equidigital number, since it uses as much as digits as its factorization.

269696969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17006112, while the sum is 62.

The square root of 269696969 is about 16422.4531967669. The cubic root of 269696969 is about 646.0885163080.

The spelling of 269696969 in words is "two hundred sixty-nine million, six hundred ninety-six thousand, nine hundred sixty-nine".