25383554434 has 32 divisors (see below), whose sum is σ = 43695838080. Its totient is φ = 10833443712.

The previous prime is 25383554401. The next prime is 25383554459. The reversal of 25383554434 is 43445538352.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6014377 + ... + 6018595.

It is an arithmetic number, because the mean of its divisors is an integer number (1365494940).

Almost surely, 2^25383554434 is an apocalyptic number.

25383554434 is a deficient number, since it is larger than the sum of its proper divisors (18312283646).

25383554434 is a wasteful number, since it uses less digits than its factorization.

25383554434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914.

The product of its digits is 3456000, while the sum is 46.

The spelling of 25383554434 in words is "twenty-five billion, three hundred eighty-three million, five hundred fifty-four thousand, four hundred thirty-four".