465520450321 has 2 divisors, whose sum is σ = 465520450322. Its totient is φ = 465520450320.

The previous prime is 465520450301. The next prime is 465520450349. The reversal of 465520450321 is 123054025564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366219835921 + 99300614400 = 605161^2 + 315120^2 .

It is a cyclic number.

It is not a de Polignac number, because 465520450321 - 2⁹ = 465520449809 is a prime.

It is not a weakly prime, because it can be changed into another prime (465520450301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232760225160 + 232760225161.

It is an arithmetic number, because the mean of its divisors is an integer number (232760225161).

Almost surely, 2^465520450321 is an apocalyptic number.

It is an amenable number.

465520450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

465520450321 is an equidigital number, since it uses as much as digits as its factorization.

465520450321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 465520450321 its reverse (123054025564), we get a palindrome (588574475885).

The spelling of 465520450321 in words is "four hundred sixty-five billion, five hundred twenty million, four hundred fifty thousand, three hundred twenty-one".