464626721244137 has 2 divisors, whose sum is σ = 464626721244138. Its totient is φ = 464626721244136.

The previous prime is 464626721244113. The next prime is 464626721244143. The reversal of 464626721244137 is 731442127626464.

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., 355568195658256 + 109058525585881 = 18856516^2 + 10443109^2 .

It is a cyclic number.

It is not a de Polignac number, because 464626721244137 - 2²⁴ = 464626704466921 is a prime.

It is not a weakly prime, because it can be changed into another prime (464626721244337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232313360622068 + 232313360622069.

It is an arithmetic number, because the mean of its divisors is an integer number (232313360622069).

Almost surely, 2^{464626721244137} is an apocalyptic number.

It is an amenable number.

464626721244137 is a deficient number, since it is larger than the sum of its proper divisors (1).

464626721244137 is an equidigital number, since it uses as much as digits as its factorization.

464626721244137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65028096, while the sum is 59.

The spelling of 464626721244137 in words is "four hundred sixty-four trillion, six hundred twenty-six billion, seven hundred twenty-one million, two hundred forty-four thousand, one hundred thirty-seven".