557645356942 has 8 divisors (see below), whose sum is σ = 836473289832. Its totient is φ = 278820927000.

The previous prime is 557645356907. The next prime is 557645356991. The reversal of 557645356942 is 249653546755.

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

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 432984 + ... + 1141387.

It is an arithmetic number, because the mean of its divisors is an integer number (104559161229).

Almost surely, 2^557645356942 is an apocalyptic number.

557645356942 is a deficient number, since it is larger than the sum of its proper divisors (278827932890).

557645356942 is a wasteful number, since it uses less digits than its factorization.

557645356942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751474.

The product of its digits is 136080000, while the sum is 61.

The spelling of 557645356942 in words is "five hundred fifty-seven billion, six hundred forty-five million, three hundred fifty-six thousand, nine hundred forty-two".