30172744799 has 4 divisors (see below), whose sum is σ = 30225773040. Its totient is φ = 30119716560.

The previous prime is 30172744769. The next prime is 30172744813. The reversal of 30172744799 is 99744727103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30172744799 - 2¹⁶ = 30172679263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30172744799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30172744759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26513267 + ... + 26514404.

It is an arithmetic number, because the mean of its divisors is an integer number (7556443260).

Almost surely, 2^30172744799 is an apocalyptic number.

30172744799 is a deficient number, since it is larger than the sum of its proper divisors (53028241).

30172744799 is an equidigital number, since it uses as much as digits as its factorization.

30172744799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53028240.

The product of its (nonzero) digits is 2667168, while the sum is 53.

The spelling of 30172744799 in words is "thirty billion, one hundred seventy-two million, seven hundred forty-four thousand, seven hundred ninety-nine".