556626402851 has 4 divisors (see below), whose sum is σ = 556628618592. Its totient is φ = 556624187112.

The previous prime is 556626402847. The next prime is 556626402929. The reversal of 556626402851 is 158204626655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 158204626655 = 5 ⋅31640925331.

It is a cyclic number.

It is not a de Polignac number, because 556626402851 - 2² = 556626402847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556626402851.

It is not an unprimeable number, because it can be changed into a prime (556626402751) 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 in 3 ways as a sum of consecutive naturals, for example, 674555 + ... + 1252308.

It is an arithmetic number, because the mean of its divisors is an integer number (139157154648).

Almost surely, 2^556626402851 is an apocalyptic number.

556626402851 is a deficient number, since it is larger than the sum of its proper divisors (2215741).

556626402851 is a wasteful number, since it uses less digits than its factorization.

556626402851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215740.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 556626402851 in words is "five hundred fifty-six billion, six hundred twenty-six million, four hundred two thousand, eight hundred fifty-one".