25630736375 has 32 divisors (see below), whose sum is σ = 35651378880. Its totient is φ = 18282700800.

The previous prime is 25630736371. The next prime is 25630736381. The reversal of 25630736375 is 57363703652.

It is not a de Polignac number, because 25630736375 - 2² = 25630736371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25630736371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277034 + ... + 357783.

It is an arithmetic number, because the mean of its divisors is an integer number (1114105590).

Almost surely, 2^25630736375 is an apocalyptic number.

25630736375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25630736375 is a deficient number, since it is larger than the sum of its proper divisors (10020642505).

25630736375 is a wasteful number, since it uses less digits than its factorization.

25630736375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634868 (or 634858 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 47.

The spelling of 25630736375 in words is "twenty-five billion, six hundred thirty million, seven hundred thirty-six thousand, three hundred seventy-five".