457423170893 has 4 divisors (see below), whose sum is σ = 492609568668. Its totient is φ = 422236773120.

The previous prime is 457423170863. The next prime is 457423170979. The reversal of 457423170893 is 398071324754.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44741556484 + 412681614409 = 211522^2 + 642403^2 .

It is a cyclic number.

It is not a de Polignac number, because 457423170893 - 2⁸ = 457423170637 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 (457423170803) 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, 17593198868 + ... + 17593198893.

It is an arithmetic number, because the mean of its divisors is an integer number (123152392167).

Almost surely, 2^457423170893 is an apocalyptic number.

It is an amenable number.

457423170893 is a deficient number, since it is larger than the sum of its proper divisors (35186397775).

457423170893 is a wasteful number, since it uses less digits than its factorization.

457423170893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35186397774.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 457423170893 in words is "four hundred fifty-seven billion, four hundred twenty-three million, one hundred seventy thousand, eight hundred ninety-three".