556340752973 has 4 divisors (see below), whose sum is σ = 557315080608. Its totient is φ = 555366425340.

The previous prime is 556340752927. The next prime is 556340753047. The reversal of 556340752973 is 379257043655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 556340752973 - 2³⁸ = 281462846029 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 (556340752273) 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, 487162961 + ... + 487164102.

It is an arithmetic number, because the mean of its divisors is an integer number (139328770152).

Almost surely, 2^556340752973 is an apocalyptic number.

It is an amenable number.

556340752973 is a deficient number, since it is larger than the sum of its proper divisors (974327635).

556340752973 is an equidigital number, since it uses as much as digits as its factorization.

556340752973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974327634.

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 556340752973 in words is "five hundred fifty-six billion, three hundred forty million, seven hundred fifty-two thousand, nine hundred seventy-three".