56219138819 has 8 divisors (see below), whose sum is σ = 57529760112. Its totient is φ = 54908663040.

The previous prime is 56219138711. The next prime is 56219138849. The reversal of 56219138819 is 91883191265.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56219138819 - 2²⁴ = 56202361603 is a prime.

It is a super-2 number, since 2×56219138819² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56219138849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380047 + ... + 1420199.

It is an arithmetic number, because the mean of its divisors is an integer number (7191220014).

Almost surely, 2^56219138819 is an apocalyptic number.

56219138819 is a deficient number, since it is larger than the sum of its proper divisors (1310621293).

56219138819 is a wasteful number, since it uses less digits than its factorization.

56219138819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72757.

The product of its digits is 933120, while the sum is 53.

The spelling of 56219138819 in words is "fifty-six billion, two hundred nineteen million, one hundred thirty-eight thousand, eight hundred nineteen".