82918190939 has 2 divisors, whose sum is σ = 82918190940. Its totient is φ = 82918190938.

The previous prime is 82918190933. The next prime is 82918191007. The reversal of 82918190939 is 93909181928.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82918190939 - 2²⁸ = 82649755483 is a prime.

It is not a weakly prime, because it can be changed into another prime (82918190933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41459095469 + 41459095470.

It is an arithmetic number, because the mean of its divisors is an integer number (41459095470).

Almost surely, 2^82918190939 is an apocalyptic number.

82918190939 is a deficient number, since it is larger than the sum of its proper divisors (1).

82918190939 is an equidigital number, since it uses as much as digits as its factorization.

82918190939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 59.

The spelling of 82918190939 in words is "eighty-two billion, nine hundred eighteen million, one hundred ninety thousand, nine hundred thirty-nine".