56144019979 has 2 divisors, whose sum is σ = 56144019980. Its totient is φ = 56144019978.

The previous prime is 56144019973. The next prime is 56144020003. The reversal of 56144019979 is 97991044165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56144019979 - 2¹⁹ = 56143495691 is a prime.

It is not a weakly prime, because it can be changed into another prime (56144019973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28072009989 + 28072009990.

It is an arithmetic number, because the mean of its divisors is an integer number (28072009990).

Almost surely, 2^56144019979 is an apocalyptic number.

56144019979 is a deficient number, since it is larger than the sum of its proper divisors (1).

56144019979 is an equidigital number, since it uses as much as digits as its factorization.

56144019979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 56144019979 in words is "fifty-six billion, one hundred forty-four million, nineteen thousand, nine hundred seventy-nine".