56979196243 has 2 divisors, whose sum is σ = 56979196244. Its totient is φ = 56979196242.

The previous prime is 56979196207. The next prime is 56979196291. The reversal of 56979196243 is 34269197965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56979196243 - 2¹³ = 56979188051 is a prime.

It is not a weakly prime, because it can be changed into another prime (56979196543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28489598121 + 28489598122.

It is an arithmetic number, because the mean of its divisors is an integer number (28489598122).

Almost surely, 2^56979196243 is an apocalyptic number.

56979196243 is a deficient number, since it is larger than the sum of its proper divisors (1).

56979196243 is an equidigital number, since it uses as much as digits as its factorization.

56979196243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22044960, while the sum is 61.

The spelling of 56979196243 in words is "fifty-six billion, nine hundred seventy-nine million, one hundred ninety-six thousand, two hundred forty-three".