25670524969 has 2 divisors, whose sum is σ = 25670524970. Its totient is φ = 25670524968.

The previous prime is 25670524967. The next prime is 25670525021. The reversal of 25670524969 is 96942507652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14159810025 + 11510714944 = 118995^2 + 107288^2 .

It is a cyclic number.

It is not a de Polignac number, because 25670524969 - 2¹ = 25670524967 is a prime.

It is a super-2 number, since 2×25670524969² (a number of 22 digits) contains 22 as substring.

Together with 25670524967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25670524967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12835262484 + 12835262485.

It is an arithmetic number, because the mean of its divisors is an integer number (12835262485).

Almost surely, 2^25670524969 is an apocalyptic number.

It is an amenable number.

25670524969 is a deficient number, since it is larger than the sum of its proper divisors (1).

25670524969 is an equidigital number, since it uses as much as digits as its factorization.

25670524969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 25670524969 in words is "twenty-five billion, six hundred seventy million, five hundred twenty-four thousand, nine hundred sixty-nine".