465036041221 has 2 divisors, whose sum is σ = 465036041222. Its totient is φ = 465036041220.

The previous prime is 465036041219. The next prime is 465036041257. The reversal of 465036041221 is 122140630564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233761613121 + 231274428100 = 483489^2 + 480910^2 .

It is a cyclic number.

It is not a de Polignac number, because 465036041221 - 2¹ = 465036041219 is a prime.

It is a super-2 number, since 2×465036041221² (a number of 24 digits) contains 22 as substring.

Together with 465036041219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465036041201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232518020610 + 232518020611.

It is an arithmetic number, because the mean of its divisors is an integer number (232518020611).

Almost surely, 2^465036041221 is an apocalyptic number.

It is an amenable number.

465036041221 is a deficient number, since it is larger than the sum of its proper divisors (1).

465036041221 is an equidigital number, since it uses as much as digits as its factorization.

465036041221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 465036041221 its reverse (122140630564), we get a palindrome (587176671785).

The spelling of 465036041221 in words is "four hundred sixty-five billion, thirty-six million, forty-one thousand, two hundred twenty-one".