25232347634 has 16 divisors (see below), whose sum is σ = 41004024768. Its totient is φ = 11575962192.

The previous prime is 25232347627. The next prime is 25232347661. The reversal of 25232347634 is 43674323252.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 25232347591 and 25232347600.

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, 2901272 + ... + 2909955.

It is an arithmetic number, because the mean of its divisors is an integer number (2562751548).

Almost surely, 2^25232347634 is an apocalyptic number.

25232347634 is a deficient number, since it is larger than the sum of its proper divisors (15771677134).

25232347634 is a wasteful number, since it uses less digits than its factorization.

25232347634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811409.

The product of its digits is 725760, while the sum is 41.

The spelling of 25232347634 in words is "twenty-five billion, two hundred thirty-two million, three hundred forty-seven thousand, six hundred thirty-four".