560644379 has 2 divisors, whose sum is σ = 560644380. Its totient is φ = 560644378.

The previous prime is 560644361. The next prime is 560644391. The reversal of 560644379 is 973446065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-560644379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (560644339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280322189 + 280322190.

It is an arithmetic number, because the mean of its divisors is an integer number (280322190).

Almost surely, 2^560644379 is an apocalyptic number.

560644379 is a deficient number, since it is larger than the sum of its proper divisors (1).

560644379 is an equidigital number, since it uses as much as digits as its factorization.

560644379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 560644379 is about 23677.9302093743. The cubic root of 560644379 is about 824.5730899314.

The spelling of 560644379 in words is "five hundred sixty million, six hundred forty-four thousand, three hundred seventy-nine".