25473061668 has 24 divisors (see below), whose sum is σ = 59454028480. Its totient is φ = 8488608480.

The previous prime is 25473061657. The next prime is 25473061687. The reversal of 25473061668 is 86616037452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257248 + ... + 342231.

Almost surely, 2^25473061668 is an apocalyptic number.

It is an amenable number.

25473061668 is an abundant number, since it is smaller than the sum of its proper divisors (33980966812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25473061668 is a wasteful number, since it uses less digits than its factorization.

25473061668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603027 (or 603025 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 25473061668 in words is "twenty-five billion, four hundred seventy-three million, sixty-one thousand, six hundred sixty-eight".