15938943883 has 2 divisors, whose sum is σ = 15938943884. Its totient is φ = 15938943882.

The previous prime is 15938943847. The next prime is 15938943901. The reversal of 15938943883 is 38834983951.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15938943883 is a prime.

It is not a weakly prime, because it can be changed into another prime (15938943833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7969471941 + 7969471942.

It is an arithmetic number, because the mean of its divisors is an integer number (7969471942).

Almost surely, 2^15938943883 is an apocalyptic number.

15938943883 is a deficient number, since it is larger than the sum of its proper divisors (1).

15938943883 is an equidigital number, since it uses as much as digits as its factorization.

15938943883 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 61.

The spelling of 15938943883 in words is "fifteen billion, nine hundred thirty-eight million, nine hundred forty-three thousand, eight hundred eighty-three".