56398337009 has 4 divisors (see below), whose sum is σ = 64455242304. Its totient is φ = 48341431716.

The previous prime is 56398336993. The next prime is 56398337041. The reversal of 56398337009 is 90073389365.

56398337009 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 56398337009 - 2⁴ = 56398336993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56398337069) 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, 4028452637 + ... + 4028452650.

It is an arithmetic number, because the mean of its divisors is an integer number (16113810576).

Almost surely, 2^56398337009 is an apocalyptic number.

It is an amenable number.

56398337009 is a deficient number, since it is larger than the sum of its proper divisors (8056905295).

56398337009 is an equidigital number, since it uses as much as digits as its factorization.

56398337009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8056905294.

The product of its (nonzero) digits is 3674160, while the sum is 53.

The spelling of 56398337009 in words is "fifty-six billion, three hundred ninety-eight million, three hundred thirty-seven thousand, nine".