556229011691 has 2 divisors, whose sum is σ = 556229011692. Its totient is φ = 556229011690.

The previous prime is 556229011543. The next prime is 556229011703. The reversal of 556229011691 is 196110922655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556229011691 - 2³⁴ = 539049142507 is a prime.

It is a super-2 number, since 2×556229011691² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (556229031691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278114505845 + 278114505846.

It is an arithmetic number, because the mean of its divisors is an integer number (278114505846).

Almost surely, 2^556229011691 is an apocalyptic number.

556229011691 is a deficient number, since it is larger than the sum of its proper divisors (1).

556229011691 is an equidigital number, since it uses as much as digits as its factorization.

556229011691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 556229011691 in words is "five hundred fifty-six billion, two hundred twenty-nine million, eleven thousand, six hundred ninety-one".