3864970631 has 2 divisors, whose sum is σ = 3864970632. Its totient is φ = 3864970630.

The previous prime is 3864970609. The next prime is 3864970639. The reversal of 3864970631 is 1360794683.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1360794683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3864970631 - 2⁶ = 3864970567 is a prime.

It is a super-2 number, since 2×3864970631² = 29875995956985076322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3864970639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1932485315 + 1932485316.

It is an arithmetic number, because the mean of its divisors is an integer number (1932485316).

Almost surely, 2^3864970631 is an apocalyptic number.

3864970631 is a deficient number, since it is larger than the sum of its proper divisors (1).

3864970631 is an equidigital number, since it uses as much as digits as its factorization.

3864970631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 3864970631 is about 62168.8879665705. The cubic root of 3864970631 is about 1569.3340558098.

The spelling of 3864970631 in words is "three billion, eight hundred sixty-four million, nine hundred seventy thousand, six hundred thirty-one".