465530022161 has 2 divisors, whose sum is σ = 465530022162. Its totient is φ = 465530022160.

The previous prime is 465530022149. The next prime is 465530022179. The reversal of 465530022161 is 161220035564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 349480786561 + 116049235600 = 591169^2 + 340660^2 .

It is a cyclic number.

It is not a de Polignac number, because 465530022161 - 2²² = 465525827857 is a prime.

It is a super-2 number, since 2×465530022161² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (465530022761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232765011080 + 232765011081.

It is an arithmetic number, because the mean of its divisors is an integer number (232765011081).

Almost surely, 2^465530022161 is an apocalyptic number.

It is an amenable number.

465530022161 is a deficient number, since it is larger than the sum of its proper divisors (1).

465530022161 is an equidigital number, since it uses as much as digits as its factorization.

465530022161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 465530022161 in words is "four hundred sixty-five billion, five hundred thirty million, twenty-two thousand, one hundred sixty-one".