556535421163 has 2 divisors, whose sum is σ = 556535421164. Its totient is φ = 556535421162.

The previous prime is 556535421161. The next prime is 556535421181. The reversal of 556535421163 is 361124535655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556535421163 - 2¹ = 556535421161 is a prime.

Together with 556535421161, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (556535421161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278267710581 + 278267710582.

It is an arithmetic number, because the mean of its divisors is an integer number (278267710582).

Almost surely, 2^556535421163 is an apocalyptic number.

556535421163 is a deficient number, since it is larger than the sum of its proper divisors (1).

556535421163 is an equidigital number, since it uses as much as digits as its factorization.

556535421163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620000, while the sum is 46.

The spelling of 556535421163 in words is "five hundred fifty-six billion, five hundred thirty-five million, four hundred twenty-one thousand, one hundred sixty-three".