25313662430 has 32 divisors (see below), whose sum is σ = 52079984640. Its totient is φ = 8677942560.

The previous prime is 25313662403. The next prime is 25313662433. The reversal of 25313662430 is 3426631352.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313662433) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 794915 + ... + 826145.

It is an arithmetic number, because the mean of its divisors is an integer number (1627499520).

Almost surely, 2^25313662430 is an apocalyptic number.

25313662430 is an abundant number, since it is smaller than the sum of its proper divisors (26766322210).

25313662430 is a wasteful number, since it uses less digits than its factorization.

25313662430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42824.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 25313662430 in words is "twenty-five billion, three hundred thirteen million, six hundred sixty-two thousand, four hundred thirty".