3865340067425 has 24 divisors (see below), whose sum is σ = 4905158671776. Its totient is φ = 3019945299840.

The previous prime is 3865340067361. The next prime is 3865340067467. The reversal of 3865340067425 is 5247600435683.

It is not a de Polignac number, because 3865340067425 - 2⁶ = 3865340067361 is a prime.

It is a super-2 number, since 2×3865340067425² (a number of 26 digits) contains 22 as substring.

It is a Duffinian 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, 7730882 + ... + 8215668.

It is an arithmetic number, because the mean of its divisors is an integer number (204381611324).

Almost surely, 2^{3865340067425} is an apocalyptic number.

It is an amenable number.

3865340067425 is a deficient number, since it is larger than the sum of its proper divisors (1039818604351).

3865340067425 is a wasteful number, since it uses less digits than its factorization.

3865340067425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492257 (or 492252 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 53.

The spelling of 3865340067425 in words is "three trillion, eight hundred sixty-five billion, three hundred forty million, sixty-seven thousand, four hundred twenty-five".