3865384848125 has 20 divisors (see below), whose sum is σ = 4841187948960. Its totient is φ = 3085263678000.

The previous prime is 3865384848113. The next prime is 3865384848131. The reversal of 3865384848125 is 5218484835683.

It is a happy number.

It is not a de Polignac number, because 3865384848125 - 2²⁰ = 3865383799549 is a prime.

It is a super-2 number, since 2×3865384848125² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6769607 + ... + 7318356.

It is an arithmetic number, because the mean of its divisors is an integer number (242059397448).

Almost surely, 2^{3865384848125} is an apocalyptic number.

It is an amenable number.

3865384848125 is a deficient number, since it is larger than the sum of its proper divisors (975803100835).

3865384848125 is an equidigital number, since it uses as much as digits as its factorization.

3865384848125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088422 (or 14088407 counting only the distinct ones).

The product of its digits is 176947200, while the sum is 65.

The spelling of 3865384848125 in words is "three trillion, eight hundred sixty-five billion, three hundred eighty-four million, eight hundred forty-eight thousand, one hundred twenty-five".