25086621682 has 16 divisors (see below), whose sum is σ = 38095323840. Its totient is φ = 12388275952.

The previous prime is 25086621647. The next prime is 25086621713. The reversal of 25086621682 is 28612668052.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544419 + ... + 588697.

It is an arithmetic number, because the mean of its divisors is an integer number (2380957740).

Almost surely, 2^25086621682 is an apocalyptic number.

25086621682 is a deficient number, since it is larger than the sum of its proper divisors (13008702158).

25086621682 is a wasteful number, since it uses less digits than its factorization.

25086621682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47777.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 25086621682 in words is "twenty-five billion, eighty-six million, six hundred twenty-one thousand, six hundred eighty-two".