457673820193 has 4 divisors (see below), whose sum is σ = 458193314628. Its totient is φ = 457154325760.

The previous prime is 457673820161. The next prime is 457673820211. The reversal of 457673820193 is 391028376754.

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 50549428224 + 407124391969 = 224832^2 + 638063^2 .

It is a cyclic number.

It is not a de Polignac number, because 457673820193 - 2⁵ = 457673820161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457673820893) 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, 259745896 + ... + 259747657.

It is an arithmetic number, because the mean of its divisors is an integer number (114548328657).

It is a 1-persistent number, because it is pandigital, but 2⋅457673820193 = 915347640386 is not.

Almost surely, 2^457673820193 is an apocalyptic number.

It is an amenable number.

457673820193 is a deficient number, since it is larger than the sum of its proper divisors (519494435).

457673820193 is an equidigital number, since it uses as much as digits as its factorization.

457673820193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519494434.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 457673820193 in words is "four hundred fifty-seven billion, six hundred seventy-three million, eight hundred twenty thousand, one hundred ninety-three".