459457644397 has 2 divisors, whose sum is σ = 459457644398. Its totient is φ = 459457644396.

The previous prime is 459457644361. The next prime is 459457644449. The reversal of 459457644397 is 793446754954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376344213961 + 83113430436 = 613469^2 + 288294^2 .

It is a cyclic number.

It is not a de Polignac number, because 459457644397 - 2¹¹ = 459457642349 is a prime.

It is a super-2 number, since 2×459457644397² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (459457644307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229728822198 + 229728822199.

It is an arithmetic number, because the mean of its divisors is an integer number (229728822199).

Almost surely, 2^459457644397 is an apocalyptic number.

It is an amenable number.

459457644397 is a deficient number, since it is larger than the sum of its proper divisors (1).

459457644397 is an equidigital number, since it uses as much as digits as its factorization.

459457644397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 457228800, while the sum is 67.

The spelling of 459457644397 in words is "four hundred fifty-nine billion, four hundred fifty-seven million, six hundred forty-four thousand, three hundred ninety-seven".