3937011813 has 12 divisors (see below), whose sum is σ = 6499194208. Its totient is φ = 2249721000.

The previous prime is 3937011781. The next prime is 3937011829. The reversal of 3937011813 is 3181107393.

It is not a de Polignac number, because 3937011813 - 2⁵ = 3937011781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3937015813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31246063 + ... + 31246188.

Almost surely, 2^3937011813 is an apocalyptic number.

It is an amenable number.

3937011813 is a deficient number, since it is larger than the sum of its proper divisors (2562182395).

3937011813 is a wasteful number, since it uses less digits than its factorization.

3937011813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62492264 (or 62492261 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3937011813 is about 62745.6119023474. The cubic root of 3937011813 is about 1579.0246360895.

The spelling of 3937011813 in words is "three billion, nine hundred thirty-seven million, eleven thousand, eight hundred thirteen".