72949082839 has 2 divisors, whose sum is σ = 72949082840. Its totient is φ = 72949082838.

The previous prime is 72949082831. The next prime is 72949082873. The reversal of 72949082839 is 93828094927.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 72949082839 - 2³ = 72949082831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72949082831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36474541419 + 36474541420.

It is an arithmetic number, because the mean of its divisors is an integer number (36474541420).

Almost surely, 2^72949082839 is an apocalyptic number.

72949082839 is a deficient number, since it is larger than the sum of its proper divisors (1).

72949082839 is an equidigital number, since it uses as much as digits as its factorization.

72949082839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 72949082839 in words is "seventy-two billion, nine hundred forty-nine million, eighty-two thousand, eight hundred thirty-nine".