558193493987 has 24 divisors (see below), whose sum is σ = 607688721648. Its totient is φ = 510858109440.

The previous prime is 558193493951. The next prime is 558193493999. The reversal of 558193493987 is 789394391855.

It is not a de Polignac number, because 558193493987 - 2⁸ = 558193493731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (71).

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 558193493987.

It is not an unprimeable number, because it can be changed into a prime (558193493947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6211268 + ... + 6300494.

It is an arithmetic number, because the mean of its divisors is an integer number (25320363402).

Almost surely, 2^558193493987 is an apocalyptic number.

558193493987 is a deficient number, since it is larger than the sum of its proper divisors (49495227661).

558193493987 is an equidigital number, since it uses as much as digits as its factorization.

558193493987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89459 (or 89388 counting only the distinct ones).

The product of its digits is 293932800, while the sum is 71.

The spelling of 558193493987 in words is "five hundred fifty-eight billion, one hundred ninety-three million, four hundred ninety-three thousand, nine hundred eighty-seven".