25912307953 has 16 divisors (see below), whose sum is σ = 31392696960. Its totient is φ = 20879629056.

The previous prime is 25912307929. The next prime is 25912307983. The reversal of 25912307953 is 35970321952.

It is a cyclic number.

It is not a de Polignac number, because 25912307953 - 2⁹ = 25912307441 is a prime.

It is a super-2 number, since 2×25912307953² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25912307983) 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 in 15 ways as a sum of consecutive naturals, for example, 24526 + ... + 228967.

It is an arithmetic number, because the mean of its divisors is an integer number (1962043560).

Almost surely, 2^25912307953 is an apocalyptic number.

It is an amenable number.

25912307953 is a deficient number, since it is larger than the sum of its proper divisors (5480389007).

25912307953 is a wasteful number, since it uses less digits than its factorization.

25912307953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254376.

The product of its (nonzero) digits is 510300, while the sum is 46.

The spelling of 25912307953 in words is "twenty-five billion, nine hundred twelve million, three hundred seven thousand, nine hundred fifty-three".