457290321491 has 2 divisors, whose sum is σ = 457290321492. Its totient is φ = 457290321490.

The previous prime is 457290321473. The next prime is 457290321497. The reversal of 457290321491 is 194123092754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457290321491 - 2⁶ = 457290321427 is a prime.

It is a super-2 number, since 2×457290321491² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (457290321497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228645160745 + 228645160746.

It is an arithmetic number, because the mean of its divisors is an integer number (228645160746).

Almost surely, 2^457290321491 is an apocalyptic number.

457290321491 is a deficient number, since it is larger than the sum of its proper divisors (1).

457290321491 is an equidigital number, since it uses as much as digits as its factorization.

457290321491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 457290321491 in words is "four hundred fifty-seven billion, two hundred ninety million, three hundred twenty-one thousand, four hundred ninety-one".