102072979739 has 2 divisors, whose sum is σ = 102072979740. Its totient is φ = 102072979738.

The previous prime is 102072979733. The next prime is 102072979751. The reversal of 102072979739 is 937979270201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102072979739 is a prime.

It is not a weakly prime, because it can be changed into another prime (102072979733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51036489869 + 51036489870.

It is an arithmetic number, because the mean of its divisors is an integer number (51036489870).

Almost surely, 2^102072979739 is an apocalyptic number.

102072979739 is a deficient number, since it is larger than the sum of its proper divisors (1).

102072979739 is an equidigital number, since it uses as much as digits as its factorization.

102072979739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000564, while the sum is 56.

The spelling of 102072979739 in words is "one hundred two billion, seventy-two million, nine hundred seventy-nine thousand, seven hundred thirty-nine".