557920765834 has 4 divisors (see below), whose sum is σ = 836881148754. Its totient is φ = 278960382916.

The previous prime is 557920765819. The next prime is 557920765867. The reversal of 557920765834 is 438567029755.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 441622715209 + 116298050625 = 664547^2 + 341025^2 .

It is a super-4 number, since 4×557920765834⁴ (a number of 48 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

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 as a sum of consecutive naturals, namely, 139480191457 + ... + 139480191460.

Almost surely, 2^557920765834 is an apocalyptic number.

557920765834 is a deficient number, since it is larger than the sum of its proper divisors (278960382920).

557920765834 is a wasteful number, since it uses less digits than its factorization.

557920765834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278960382919.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 557920765834 in words is "five hundred fifty-seven billion, nine hundred twenty million, seven hundred sixty-five thousand, eight hundred thirty-four".