3897365994325 has 24 divisors (see below), whose sum is σ = 4867478896680. Its totient is φ = 3095508998400.

The previous prime is 3897365994311. The next prime is 3897365994341. The reversal of 3897365994325 is 5234995637983.

It can be written as a sum of positive squares in 12 ways, for example, as 1547819644996 + 2349546349329 = 1244114^2 + 1532823^2 .

It is not a de Polignac number, because 3897365994325 - 2¹⁵ = 3897365961557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4419855 + ... + 5227795.

It is an arithmetic number, because the mean of its divisors is an integer number (202811620695).

Almost surely, 2^{3897365994325} is an apocalyptic number.

It is an amenable number.

3897365994325 is a deficient number, since it is larger than the sum of its proper divisors (970112902355).

3897365994325 is a wasteful number, since it uses less digits than its factorization.

3897365994325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809337 (or 809332 counting only the distinct ones).

The product of its digits is 1322697600, while the sum is 73.

The spelling of 3897365994325 in words is "three trillion, eight hundred ninety-seven billion, three hundred sixty-five million, nine hundred ninety-four thousand, three hundred twenty-five".