25428473134 has 8 divisors (see below), whose sum is σ = 38280409848. Its totient is φ = 12668336520.

The previous prime is 25428473117. The next prime is 25428473159. The reversal of 25428473134 is 43137482452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22949332 + ... + 22950439.

It is an arithmetic number, because the mean of its divisors is an integer number (4785051231).

Almost surely, 2^25428473134 is an apocalyptic number.

25428473134 is a deficient number, since it is larger than the sum of its proper divisors (12851936714).

25428473134 is a wasteful number, since it uses less digits than its factorization.

25428473134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45900050.

The product of its digits is 645120, while the sum is 43.

The spelling of 25428473134 in words is "twenty-five billion, four hundred twenty-eight million, four hundred seventy-three thousand, one hundred thirty-four".