457023759272557 has 2 divisors, whose sum is σ = 457023759272558. Its totient is φ = 457023759272556.

The previous prime is 457023759272533. The next prime is 457023759272669. The reversal of 457023759272557 is 755272957320754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 310879983340521 + 146143775932036 = 17631789^2 + 12088994^2 .

It is a cyclic number.

It is not a de Polignac number, because 457023759272557 - 2¹¹ = 457023759270509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457023759272257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228511879636278 + 228511879636279.

It is an arithmetic number, because the mean of its divisors is an integer number (228511879636279).

Almost surely, 2^{457023759272557} is an apocalyptic number.

It is an amenable number.

457023759272557 is a deficient number, since it is larger than the sum of its proper divisors (1).

457023759272557 is an equidigital number, since it uses as much as digits as its factorization.

457023759272557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296540000, while the sum is 70.

The spelling of 457023759272557 in words is "four hundred fifty-seven trillion, twenty-three billion, seven hundred fifty-nine million, two hundred seventy-two thousand, five hundred fifty-seven".