39434066919025 has 9 divisors (see below), whose sum is σ = 48898281913483. Its totient is φ = 31547228416600.

The previous prime is 39434066918977. The next prime is 39434066919041. The reversal of 39434066919025 is 52091966043493.

The square root of 39434066919025 is 6279655.

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., 14196264090849 + 25237802828176 = 3767793^2 + 5023724^2 .

It is not a de Polignac number, because 39434066919025 - 2²⁹ = 39433530048113 is a prime.

It is a Duffinian number.

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, 30770310 + ... + 32026240.

Almost surely, 2^{39434066919025} is an apocalyptic number.

39434066919025 is the 6279655-th square number.

39434066919025 is the 3139828-th centered octagonal number.

It is an amenable number.

39434066919025 is a deficient number, since it is larger than the sum of its proper divisors (9464214994458).

39434066919025 is an frugal number, since it uses more digits than its factorization.

39434066919025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511872 (or 1255936 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 61.

The spelling of 39434066919025 in words is "thirty-nine trillion, four hundred thirty-four billion, sixty-six million, nine hundred nineteen thousand, twenty-five".