3864465137731 has 6 divisors (see below), whose sum is σ = 4247717878796. Its totient is φ = 3513150125100.

The previous prime is 3864465137719. The next prime is 3864465137761. The reversal of 3864465137731 is 1377315644683.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3864465137731 is a prime.

It is a super-2 number, since 2×3864465137731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3864465137761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15968864085 + ... + 15968864326.

Almost surely, 2^{3864465137731} is an apocalyptic number.

3864465137731 is a deficient number, since it is larger than the sum of its proper divisors (383252741065).

3864465137731 is a wasteful number, since it uses less digits than its factorization.

3864465137731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31937728433 (or 31937728422 counting only the distinct ones).

The product of its digits is 30481920, while the sum is 58.

The spelling of 3864465137731 in words is "three trillion, eight hundred sixty-four billion, four hundred sixty-five million, one hundred thirty-seven thousand, seven hundred thirty-one".