3864705121370 has 16 divisors (see below), whose sum is σ = 6956492018688. Its totient is φ = 1545876981840.

The previous prime is 3864705121363. The next prime is 3864705121421. The reversal of 3864705121370 is 731215074683.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4745927 + ... + 5500293.

It is an arithmetic number, because the mean of its divisors is an integer number (434780751168).

Almost surely, 2^{3864705121370} is an apocalyptic number.

3864705121370 is a deficient number, since it is larger than the sum of its proper divisors (3091786897318).

3864705121370 is a wasteful number, since it uses less digits than its factorization.

3864705121370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266685.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 3864705121370 in words is "three trillion, eight hundred sixty-four billion, seven hundred five million, one hundred twenty-one thousand, three hundred seventy".