8018537939 has 2 divisors, whose sum is σ = 8018537940. Its totient is φ = 8018537938.

The previous prime is 8018537929. The next prime is 8018537941. The reversal of 8018537939 is 9397358108.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8018537939 is a prime.

Together with 8018537941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8018537929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4009268969 + 4009268970.

It is an arithmetic number, because the mean of its divisors is an integer number (4009268970).

Almost surely, 2^8018537939 is an apocalyptic number.

8018537939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8018537939 is an equidigital number, since it uses as much as digits as its factorization.

8018537939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 8018537939 is about 89546.2893647749. The cubic root of 8018537939 is about 2001.5436365366.

The spelling of 8018537939 in words is "eight billion, eighteen million, five hundred thirty-seven thousand, nine hundred thirty-nine".