556127345399 has 4 divisors (see below), whose sum is σ = 556325752536. Its totient is φ = 555928938264.

The previous prime is 556127345381. The next prime is 556127345401. The reversal of 556127345399 is 993543721655.

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

It is a cyclic number.

It is not a de Polignac number, because 556127345399 - 2⁸ = 556127345143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556127345309) 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, 99199364 + ... + 99204969.

It is an arithmetic number, because the mean of its divisors is an integer number (139081438134).

Almost surely, 2^556127345399 is an apocalyptic number.

556127345399 is a deficient number, since it is larger than the sum of its proper divisors (198407137).

556127345399 is a wasteful number, since it uses less digits than its factorization.

556127345399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198407136.

The product of its digits is 30618000, while the sum is 59.

The spelling of 556127345399 in words is "five hundred fifty-six billion, one hundred twenty-seven million, three hundred forty-five thousand, three hundred ninety-nine".