25916325459 has 16 divisors (see below), whose sum is σ = 35413174944. Its totient is φ = 16848876800.

The previous prime is 25916325437. The next prime is 25916325493. The reversal of 25916325459 is 95452361952.

It is a cyclic number.

It is not a de Polignac number, because 25916325459 - 2²⁰ = 25915276883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25916325419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248617 + ... + 337109.

It is an arithmetic number, because the mean of its divisors is an integer number (2213323434).

Almost surely, 2^25916325459 is an apocalyptic number.

25916325459 is a deficient number, since it is larger than the sum of its proper divisors (9496849485).

25916325459 is a wasteful number, since it uses less digits than its factorization.

25916325459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90918.

The product of its digits is 2916000, while the sum is 51.

The spelling of 25916325459 in words is "twenty-five billion, nine hundred sixteen million, three hundred twenty-five thousand, four hundred fifty-nine".