461344443137 has 2 divisors, whose sum is σ = 461344443138. Its totient is φ = 461344443136.

The previous prime is 461344443113. The next prime is 461344443179. The reversal of 461344443137 is 731344443164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389886599281 + 71457843856 = 624409^2 + 267316^2 .

It is a cyclic number.

It is not a de Polignac number, because 461344443137 - 2¹² = 461344439041 is a prime.

It is not a weakly prime, because it can be changed into another prime (461344443337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230672221568 + 230672221569.

It is an arithmetic number, because the mean of its divisors is an integer number (230672221569).

Almost surely, 2^461344443137 is an apocalyptic number.

It is an amenable number.

461344443137 is a deficient number, since it is larger than the sum of its proper divisors (1).

461344443137 is an equidigital number, since it uses as much as digits as its factorization.

461344443137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 44.

The spelling of 461344443137 in words is "four hundred sixty-one billion, three hundred forty-four million, four hundred forty-three thousand, one hundred thirty-seven".