52393716649 has 4 divisors (see below), whose sum is σ = 52403901264. Its totient is φ = 52383532036.

The previous prime is 52393716629. The next prime is 52393716653. The reversal of 52393716649 is 94661739325.

52393716649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52393716649 - 2⁷ = 52393716521 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 52393716649.

It is not an unprimeable number, because it can be changed into a prime (52393716619) 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, 5084587 + ... + 5094880.

It is an arithmetic number, because the mean of its divisors is an integer number (13100975316).

Almost surely, 2^52393716649 is an apocalyptic number.

It is an amenable number.

52393716649 is a deficient number, since it is larger than the sum of its proper divisors (10184615).

52393716649 is a wasteful number, since it uses less digits than its factorization.

52393716649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184614.

The product of its digits is 7348320, while the sum is 55.

The spelling of 52393716649 in words is "fifty-two billion, three hundred ninety-three million, seven hundred sixteen thousand, six hundred forty-nine".