4538381026625 has 16 divisors (see below), whose sum is σ = 5664272362320. Its totient is φ = 3630465820800.

The previous prime is 4538381026609. The next prime is 4538381026631. The reversal of 4538381026625 is 5266201838354.

It is a happy number.

4538381026625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 106046619904 + 4432334406721 = 325648^2 + 2105311^2 .

It is not a de Polignac number, because 4538381026625 - 2⁴ = 4538381026609 is a prime.

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, 723767 + ... + 3098483.

It is an arithmetic number, because the mean of its divisors is an integer number (354017022645).

Almost surely, 2^{4538381026625} is an apocalyptic number.

It is an amenable number.

4538381026625 is a deficient number, since it is larger than the sum of its proper divisors (1125891335695).

4538381026625 is a wasteful number, since it uses less digits than its factorization.

4538381026625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390021 (or 2390011 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 4538381026625 in words is "four trillion, five hundred thirty-eight billion, three hundred eighty-one million, twenty-six thousand, six hundred twenty-five".