556426122643 has 8 divisors (see below), whose sum is σ = 559360290816. Its totient is φ = 553492173000.

The previous prime is 556426122583. The next prime is 556426122649. The reversal of 556426122643 is 346221624655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556426122643 - 2¹³ = 556426114451 is a prime.

It is a super-2 number, since 2×556426122643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556426122593 and 556426122602.

It is not an unprimeable number, because it can be changed into a prime (556426122649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8892918 + ... + 8955268.

It is an arithmetic number, because the mean of its divisors is an integer number (69920036352).

Almost surely, 2^556426122643 is an apocalyptic number.

556426122643 is a deficient number, since it is larger than the sum of its proper divisors (2934168173).

556426122643 is a wasteful number, since it uses less digits than its factorization.

556426122643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109265.

The product of its digits is 2073600, while the sum is 46.

The spelling of 556426122643 in words is "five hundred fifty-six billion, four hundred twenty-six million, one hundred twenty-two thousand, six hundred forty-three".