1057177808493 has 8 divisors (see below), whose sum is σ = 1422502250400. Its totient is φ = 698319286128.

The previous prime is 1057177808483. The next prime is 1057177808497. The reversal of 1057177808493 is 3948087717501.

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

It is not a de Polignac number, because 1057177808493 - 2⁸ = 1057177808237 is a prime.

It is a super-2 number, since 2×1057177808493² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057177808497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616479503 + ... + 1616480156.

It is an arithmetic number, because the mean of its divisors is an integer number (177812781300).

Almost surely, 2^{1057177808493} is an apocalyptic number.

It is an amenable number.

1057177808493 is a deficient number, since it is larger than the sum of its proper divisors (365324441907).

1057177808493 is a wasteful number, since it uses less digits than its factorization.

1057177808493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232959771.

The product of its (nonzero) digits is 11854080, while the sum is 60.

The spelling of 1057177808493 in words is "one trillion, fifty-seven billion, one hundred seventy-seven million, eight hundred eight thousand, four hundred ninety-three".