556420020367 has 2 divisors, whose sum is σ = 556420020368. Its totient is φ = 556420020366.

The previous prime is 556420020311. The next prime is 556420020479. The reversal of 556420020367 is 763020024655.

556420020367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556420020367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556423020367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278210010183 + 278210010184.

It is an arithmetic number, because the mean of its divisors is an integer number (278210010184).

Almost surely, 2^556420020367 is an apocalyptic number.

556420020367 is a deficient number, since it is larger than the sum of its proper divisors (1).

556420020367 is an equidigital number, since it uses as much as digits as its factorization.

556420020367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 556420020367 in words is "five hundred fifty-six billion, four hundred twenty million, twenty thousand, three hundred sixty-seven".