25253099454 has 16 divisors (see below), whose sum is σ = 55097671680. Its totient is φ = 7652454360.

The previous prime is 25253099453. The next prime is 25253099479. The reversal of 25253099454 is 45499035252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253099453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191311294 + ... + 191311425.

It is an arithmetic number, because the mean of its divisors is an integer number (3443604480).

Almost surely, 2^25253099454 is an apocalyptic number.

25253099454 is an abundant number, since it is smaller than the sum of its proper divisors (29844572226).

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

25253099454 is a wasteful number, since it uses less digits than its factorization.

25253099454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382622735.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 25253099454 in words is "twenty-five billion, two hundred fifty-three million, ninety-nine thousand, four hundred fifty-four".