3925657419265 has 16 divisors (see below), whose sum is σ = 4754207926080. Its totient is φ = 3111706601280.

The previous prime is 3925657419247. The next prime is 3925657419287. The reversal of 3925657419265 is 5629147565293.

It is a happy number.

It is not a de Polignac number, because 3925657419265 - 2²³ = 3925649030657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3925657419197 and 3925657419206.

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, 7669431 + ... + 8165260.

It is an arithmetic number, because the mean of its divisors is an integer number (297137995380).

Almost surely, 2^{3925657419265} is an apocalyptic number.

It is an amenable number.

3925657419265 is a deficient number, since it is larger than the sum of its proper divisors (828550506815).

3925657419265 is a wasteful number, since it uses less digits than its factorization.

3925657419265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15835152.

The product of its digits is 122472000, while the sum is 64.

The spelling of 3925657419265 in words is "three trillion, nine hundred twenty-five billion, six hundred fifty-seven million, four hundred nineteen thousand, two hundred sixty-five".