72998913959 has 2 divisors, whose sum is σ = 72998913960. Its totient is φ = 72998913958.

The previous prime is 72998913899. The next prime is 72998913973. The reversal of 72998913959 is 95931989927.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72998913959 - 2¹⁶ = 72998848423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72998913892 and 72998913901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72998913989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36499456979 + 36499456980.

It is an arithmetic number, because the mean of its divisors is an integer number (36499456980).

Almost surely, 2^72998913959 is an apocalyptic number.

72998913959 is a deficient number, since it is larger than the sum of its proper divisors (1).

72998913959 is an equidigital number, since it uses as much as digits as its factorization.

72998913959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 99202320, while the sum is 71.

The spelling of 72998913959 in words is "seventy-two billion, nine hundred ninety-eight million, nine hundred thirteen thousand, nine hundred fifty-nine".