457753362821 has 2 divisors, whose sum is σ = 457753362822. Its totient is φ = 457753362820.

The previous prime is 457753362799. The next prime is 457753362839. The reversal of 457753362821 is 128263357754.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457734786721 + 18576100 = 676561^2 + 4310^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457753362821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457753365821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228876681410 + 228876681411.

It is an arithmetic number, because the mean of its divisors is an integer number (228876681411).

Almost surely, 2^457753362821 is an apocalyptic number.

It is an amenable number.

457753362821 is a deficient number, since it is larger than the sum of its proper divisors (1).

457753362821 is an equidigital number, since it uses as much as digits as its factorization.

457753362821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8467200, while the sum is 53.

The spelling of 457753362821 in words is "four hundred fifty-seven billion, seven hundred fifty-three million, three hundred sixty-two thousand, eight hundred twenty-one".