465221880853 has 2 divisors, whose sum is σ = 465221880854. Its totient is φ = 465221880852.

The previous prime is 465221880833. The next prime is 465221880917. The reversal of 465221880853 is 358088122564.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420327898929 + 44893981924 = 648327^2 + 211882^2 .

It is a cyclic number.

It is not a de Polignac number, because 465221880853 - 2²¹ = 465219783701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 465221880853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (465221880833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232610940426 + 232610940427.

It is an arithmetic number, because the mean of its divisors is an integer number (232610940427).

Almost surely, 2^465221880853 is an apocalyptic number.

It is an amenable number.

465221880853 is a deficient number, since it is larger than the sum of its proper divisors (1).

465221880853 is an equidigital number, since it uses as much as digits as its factorization.

465221880853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 465221880853 in words is "four hundred sixty-five billion, two hundred twenty-one million, eight hundred eighty thousand, eight hundred fifty-three".