39436076434225 has 9 divisors (see below), whose sum is σ = 48900773713323. Its totient is φ = 31548836028120.

The previous prime is 39436076434201. The next prime is 39436076434231. The reversal of 39436076434225 is 52243467063493.

It is a happy number.

The square root of 39436076434225 is 6279815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14196987516321 + 25239088917904 = 3767889^2 + 5023852^2 .

It is not a de Polignac number, because 39436076434225 - 2⁵ = 39436076434193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39436076434225.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 30771094 + ... + 32027056.

Almost surely, 2^{39436076434225} is an apocalyptic number.

39436076434225 is the 6279815-th square number.

39436076434225 is the 3139908-th centered octagonal number.

It is an amenable number.

39436076434225 is a deficient number, since it is larger than the sum of its proper divisors (9464697279098).

39436076434225 is an frugal number, since it uses more digits than its factorization.

39436076434225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511936 (or 1255968 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 58.

The spelling of 39436076434225 in words is "thirty-nine trillion, four hundred thirty-six billion, seventy-six million, four hundred thirty-four thousand, two hundred twenty-five".