556122477899 has 4 divisors (see below), whose sum is σ = 556527521136. Its totient is φ = 555717434664.

The previous prime is 556122477893. The next prime is 556122477973. The reversal of 556122477899 is 998774221655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556122477899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556122477893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202519559 + ... + 202522304.

It is an arithmetic number, because the mean of its divisors is an integer number (139131880284).

Almost surely, 2^556122477899 is an apocalyptic number.

556122477899 is a deficient number, since it is larger than the sum of its proper divisors (405043237).

556122477899 is a wasteful number, since it uses less digits than its factorization.

556122477899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405043236.

The product of its digits is 76204800, while the sum is 65.

The spelling of 556122477899 in words is "five hundred fifty-six billion, one hundred twenty-two million, four hundred seventy-seven thousand, eight hundred ninety-nine".