69425969 has 2 divisors, whose sum is σ = 69425970. Its totient is φ = 69425968.

The previous prime is 69425903. The next prime is 69426013. The reversal of 69425969 is 96952496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 27952369 = 6440^2 + 5287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69425969 is a prime.

It is a super-2 number, since 2×69425969² = 9639930343177922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69325969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34712984 + 34712985.

It is an arithmetic number, because the mean of its divisors is an integer number (34712985).

Almost surely, 2^69425969 is an apocalyptic number.

It is an amenable number.

69425969 is a deficient number, since it is larger than the sum of its proper divisors (1).

69425969 is an equidigital number, since it uses as much as digits as its factorization.

69425969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 69425969 is about 8332.2247329270. The cubic root of 69425969 is about 410.9988909973.

The spelling of 69425969 in words is "sixty-nine million, four hundred twenty-five thousand, nine hundred sixty-nine".