557195761439 has 4 divisors (see below), whose sum is σ = 557387702256. Its totient is φ = 557003820624.

The previous prime is 557195761399. The next prime is 557195761469. The reversal of 557195761439 is 934167591755.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557195761439 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 (557195761469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95966054 + ... + 95971859.

It is an arithmetic number, because the mean of its divisors is an integer number (139346925564).

Almost surely, 2^557195761439 is an apocalyptic number.

557195761439 is a deficient number, since it is larger than the sum of its proper divisors (191940817).

557195761439 is a wasteful number, since it uses less digits than its factorization.

557195761439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191940816.

The product of its digits is 35721000, while the sum is 62.

The spelling of 557195761439 in words is "five hundred fifty-seven billion, one hundred ninety-five million, seven hundred sixty-one thousand, four hundred thirty-nine".