25608934433 has 16 divisors (see below), whose sum is σ = 26407557120. Its totient is φ = 24825325824.

The previous prime is 25608934411. The next prime is 25608934441. The reversal of 25608934433 is 33443980652.

It is a cyclic number.

It is not a de Polignac number, because 25608934433 - 2²⁰ = 25607885857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25608934633) 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, 1276085 + ... + 1295997.

It is an arithmetic number, because the mean of its divisors is an integer number (1650472320).

Almost surely, 2^25608934433 is an apocalyptic number.

It is an amenable number.

25608934433 is a deficient number, since it is larger than the sum of its proper divisors (798622687).

25608934433 is a wasteful number, since it uses less digits than its factorization.

25608934433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20288.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 25608934433 in words is "twenty-five billion, six hundred eight million, nine hundred thirty-four thousand, four hundred thirty-three".