465965273021 has 2 divisors, whose sum is σ = 465965273022. Its totient is φ = 465965273020.

The previous prime is 465965272973. The next prime is 465965273063. The reversal of 465965273021 is 120372569564.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 451296429796 + 14668843225 = 671786^2 + 121115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465965273021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465965273621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232982636510 + 232982636511.

It is an arithmetic number, because the mean of its divisors is an integer number (232982636511).

Almost surely, 2^465965273021 is an apocalyptic number.

It is an amenable number.

465965273021 is a deficient number, since it is larger than the sum of its proper divisors (1).

465965273021 is an equidigital number, since it uses as much as digits as its factorization.

465965273021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The spelling of 465965273021 in words is "four hundred sixty-five billion, nine hundred sixty-five million, two hundred seventy-three thousand, twenty-one".