461456214731647 has 2 divisors, whose sum is σ = 461456214731648. Its totient is φ = 461456214731646.

The previous prime is 461456214731507. The next prime is 461456214731693. The reversal of 461456214731647 is 746137412654164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461456214731647 - 2²³ = 461456206343039 is a prime.

It is a super-2 number, since 2×461456214731647² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461456214731047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230728107365823 + 230728107365824.

It is an arithmetic number, because the mean of its divisors is an integer number (230728107365824).

Almost surely, 2^{461456214731647} is an apocalyptic number.

461456214731647 is a deficient number, since it is larger than the sum of its proper divisors (1).

461456214731647 is an equidigital number, since it uses as much as digits as its factorization.

461456214731647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81285120, while the sum is 61.

The spelling of 461456214731647 in words is "four hundred sixty-one trillion, four hundred fifty-six billion, two hundred fourteen million, seven hundred thirty-one thousand, six hundred forty-seven".