38873361731 has 2 divisors, whose sum is σ = 38873361732. Its totient is φ = 38873361730.

The previous prime is 38873361719. The next prime is 38873361757. The reversal of 38873361731 is 13716337883.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38873361731 is a prime.

It is a super-2 number, since 2×38873361731² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38873361731.

It is not a weakly prime, because it can be changed into another prime (38873363731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19436680865 + 19436680866.

It is an arithmetic number, because the mean of its divisors is an integer number (19436680866).

Almost surely, 2^38873361731 is an apocalyptic number.

38873361731 is a deficient number, since it is larger than the sum of its proper divisors (1).

38873361731 is an equidigital number, since it uses as much as digits as its factorization.

38873361731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 50.

The spelling of 38873361731 in words is "thirty-eight billion, eight hundred seventy-three million, three hundred sixty-one thousand, seven hundred thirty-one".