38873363731 has 2 divisors, whose sum is σ = 38873363732. Its totient is φ = 38873363730.

The previous prime is 38873363723. The next prime is 38873363759. The reversal of 38873363731 is 13736337883.

It is a weak prime.

It is an emirp because it is prime and its reverse (13736337883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38873363731 - 2³ = 38873363723 is a prime.

It is a super-2 number, since 2×38873363731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38873361731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19436681865 + 19436681866.

It is an arithmetic number, because the mean of its divisors is an integer number (19436681866).

Almost surely, 2^38873363731 is an apocalyptic number.

38873363731 is a deficient number, since it is larger than the sum of its proper divisors (1).

38873363731 is an equidigital number, since it uses as much as digits as its factorization.

38873363731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4572288, while the sum is 52.

The spelling of 38873363731 in words is "thirty-eight billion, eight hundred seventy-three million, three hundred sixty-three thousand, seven hundred thirty-one".