461511622129 has 2 divisors, whose sum is σ = 461511622130. Its totient is φ = 461511622128.

The previous prime is 461511622081. The next prime is 461511622147. The reversal of 461511622129 is 921226115164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 459884709904 + 1626912225 = 678148^2 + 40335^2 .

It is a cyclic number.

It is not a de Polignac number, because 461511622129 - 2³⁷ = 324072668657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 461511622091 and 461511622100.

It is not a weakly prime, because it can be changed into another prime (461511622529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230755811064 + 230755811065.

It is an arithmetic number, because the mean of its divisors is an integer number (230755811065).

Almost surely, 2^461511622129 is an apocalyptic number.

It is an amenable number.

461511622129 is a deficient number, since it is larger than the sum of its proper divisors (1).

461511622129 is an equidigital number, since it uses as much as digits as its factorization.

461511622129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The spelling of 461511622129 in words is "four hundred sixty-one billion, five hundred eleven million, six hundred twenty-two thousand, one hundred twenty-nine".