56397368749 has 4 divisors (see below), whose sum is σ = 56405442880. Its totient is φ = 56389294620.

The previous prime is 56397368669. The next prime is 56397368759. The reversal of 56397368749 is 94786379365.

56397368749 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 56397368749 - 2¹³ = 56397360557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56397368759) 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, 4026579 + ... + 4040560.

It is an arithmetic number, because the mean of its divisors is an integer number (14101360720).

Almost surely, 2^56397368749 is an apocalyptic number.

It is an amenable number.

56397368749 is a deficient number, since it is larger than the sum of its proper divisors (8074131).

56397368749 is an equidigital number, since it uses as much as digits as its factorization.

56397368749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8074130.

The product of its digits is 205752960, while the sum is 67.

The spelling of 56397368749 in words is "fifty-six billion, three hundred ninety-seven million, three hundred sixty-eight thousand, seven hundred forty-nine".