56746978419 has 4 divisors (see below), whose sum is σ = 75662637896. Its totient is φ = 37831318944.

The previous prime is 56746978417. The next prime is 56746978423. The reversal of 56746978419 is 91487964765.

56746978419 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.

It is not a de Polignac number, because 56746978419 - 2¹ = 56746978417 is a prime.

It is a super-2 number, since 2×56746978419² (a number of 22 digits) contains 22 as substring.

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 56746978419.

It is not an unprimeable number, because it can be changed into a prime (56746978417) 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, 9457829734 + ... + 9457829739.

It is an arithmetic number, because the mean of its divisors is an integer number (18915659474).

Almost surely, 2^56746978419 is an apocalyptic number.

56746978419 is a deficient number, since it is larger than the sum of its proper divisors (18915659477).

56746978419 is a wasteful number, since it uses less digits than its factorization.

56746978419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18915659476.

The product of its digits is 91445760, while the sum is 66.

The spelling of 56746978419 in words is "fifty-six billion, seven hundred forty-six million, nine hundred seventy-eight thousand, four hundred nineteen".