72653893399 has 2 divisors, whose sum is σ = 72653893400. Its totient is φ = 72653893398.

The previous prime is 72653893397. The next prime is 72653893441. The reversal of 72653893399 is 99339835627.

It is a weak prime.

It is an emirp because it is prime and its reverse (99339835627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72653893399 - 2¹ = 72653893397 is a prime.

Together with 72653893397, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72653893399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72653893391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36326946699 + 36326946700.

It is an arithmetic number, because the mean of its divisors is an integer number (36326946700).

Almost surely, 2^72653893399 is an apocalyptic number.

72653893399 is a deficient number, since it is larger than the sum of its proper divisors (1).

72653893399 is an equidigital number, since it uses as much as digits as its factorization.

72653893399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66134880, while the sum is 64.

The spelling of 72653893399 in words is "seventy-two billion, six hundred fifty-three million, eight hundred ninety-three thousand, three hundred ninety-nine".