36438507825 has 12 divisors (see below), whose sum is σ = 60244999728. Its totient is φ = 19433870800.

The previous prime is 36438507821. The next prime is 36438507839. The reversal of 36438507825 is 52870583463.

It is a happy number.

36438507825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36438507825 - 2² = 36438507821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36438507821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242923311 + ... + 242923460.

It is an arithmetic number, because the mean of its divisors is an integer number (5020416644).

Almost surely, 2^36438507825 is an apocalyptic number.

It is an amenable number.

36438507825 is a deficient number, since it is larger than the sum of its proper divisors (23806491903).

36438507825 is a wasteful number, since it uses less digits than its factorization.

36438507825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485846784 (or 485846779 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 36438507825 in words is "thirty-six billion, four hundred thirty-eight million, five hundred seven thousand, eight hundred twenty-five".