3869723861920 has 48 divisors (see below), whose sum is σ = 10448254430208. Its totient is φ = 1326762466560.

The previous prime is 3869723861873. The next prime is 3869723861921. The reversal of 3869723861920 is 291683279683.

It is not an unprimeable number, because it can be changed into a prime (3869723861921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727554176 + ... + 1727556415.

It is an arithmetic number, because the mean of its divisors is an integer number (217671967296).

Almost surely, 2^{3869723861920} is an apocalyptic number.

It is an amenable number.

3869723861920 is an abundant number, since it is smaller than the sum of its proper divisors (6578530568288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3869723861920 is a wasteful number, since it uses less digits than its factorization.

3869723861920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3455110613 (or 3455110605 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 3869723861920 in words is "three trillion, eight hundred sixty-nine billion, seven hundred twenty-three million, eight hundred sixty-one thousand, nine hundred twenty".