556711733638 has 4 divisors (see below), whose sum is σ = 835067600460. Its totient is φ = 278355866818.

The previous prime is 556711733597. The next prime is 556711733639. The reversal of 556711733638 is 836337117655.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556711733639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139177933408 + ... + 139177933411.

It is an arithmetic number, because the mean of its divisors is an integer number (208766900115).

Almost surely, 2^556711733638 is an apocalyptic number.

556711733638 is a deficient number, since it is larger than the sum of its proper divisors (278355866822).

556711733638 is a wasteful number, since it uses less digits than its factorization.

556711733638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278355866821.

The product of its digits is 9525600, while the sum is 55.

The spelling of 556711733638 in words is "five hundred fifty-six billion, seven hundred eleven million, seven hundred thirty-three thousand, six hundred thirty-eight".