72299016563 has 2 divisors, whose sum is σ = 72299016564. Its totient is φ = 72299016562.

The previous prime is 72299016557. The next prime is 72299016577. The reversal of 72299016563 is 36561099227.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36561099227) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72299016563 is a prime.

It is not a weakly prime, because it can be changed into another prime (72299012563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36149508281 + 36149508282.

It is an arithmetic number, because the mean of its divisors is an integer number (36149508282).

Almost surely, 2^72299016563 is an apocalyptic number.

72299016563 is a deficient number, since it is larger than the sum of its proper divisors (1).

72299016563 is an equidigital number, since it uses as much as digits as its factorization.

72299016563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 72299016563 in words is "seventy-two billion, two hundred ninety-nine million, sixteen thousand, five hundred sixty-three".