25460505674 has 4 divisors (see below), whose sum is σ = 38190758514. Its totient is φ = 12730252836.

The previous prime is 25460505667. The next prime is 25460505677. The reversal of 25460505674 is 47650506452.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19977843649 + 5482662025 = 141343^2 + 74045^2 .

It is not an unprimeable number, because it can be changed into a prime (25460505677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365126417 + ... + 6365126420.

Almost surely, 2^25460505674 is an apocalyptic number.

25460505674 is a deficient number, since it is larger than the sum of its proper divisors (12730252840).

25460505674 is a wasteful number, since it uses less digits than its factorization.

25460505674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730252839.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 25460505674 in words is "twenty-five billion, four hundred sixty million, five hundred five thousand, six hundred seventy-four".