25480084042921 has 32 divisors (see below), whose sum is σ = 27290503279872. Its totient is φ = 23704916336640.

The previous prime is 25480084042909. The next prime is 25480084042937. The reversal of 25480084042921 is 12924048008452.

It is a cyclic number.

It is not a de Polignac number, because 25480084042921 - 2²⁷ = 25479949825193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25480084042951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7984982436 + ... + 7984985626.

It is an arithmetic number, because the mean of its divisors is an integer number (852828227496).

Almost surely, 2^{25480084042921} is an apocalyptic number.

It is an amenable number.

25480084042921 is a deficient number, since it is larger than the sum of its proper divisors (1810419236951).

25480084042921 is a wasteful number, since it uses less digits than its factorization.

25480084042921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The spelling of 25480084042921 in words is "twenty-five trillion, four hundred eighty billion, eighty-four million, forty-two thousand, nine hundred twenty-one".