72346495919 has 2 divisors, whose sum is σ = 72346495920. Its totient is φ = 72346495918.

The previous prime is 72346495877. The next prime is 72346495939. The reversal of 72346495919 is 91959464327.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72346495919 is a prime.

It is a super-2 number, since 2×72346495919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72346495939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36173247959 + 36173247960.

It is an arithmetic number, because the mean of its divisors is an integer number (36173247960).

Almost surely, 2^72346495919 is an apocalyptic number.

72346495919 is a deficient number, since it is larger than the sum of its proper divisors (1).

72346495919 is an equidigital number, since it uses as much as digits as its factorization.

72346495919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14696640, while the sum is 59.

The spelling of 72346495919 in words is "seventy-two billion, three hundred forty-six million, four hundred ninety-five thousand, nine hundred nineteen".