2090363664481 has 9 divisors (see below), whose sum is σ = 2160016260273. Its totient is φ = 2022889204260.

The previous prime is 2090363664457. The next prime is 2090363664553. The reversal of 2090363664481 is 1844663630902.

The square root of 2090363664481 is 1445809.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2090363664481 - 2¹¹ = 2090363662433 is a prime.

It is a super-2 number, since 2×2090363664481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090363664581) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 44796760 + ... + 44843398.

It is an arithmetic number, because the mean of its divisors is an integer number (240001806697).

Almost surely, 2^{2090363664481} is an apocalyptic number.

2090363664481 is the 1445809-th square number.

2090363664481 is the 722905-th centered octagonal number.

It is an amenable number.

2090363664481 is a deficient number, since it is larger than the sum of its proper divisors (69652595792).

2090363664481 is an frugal number, since it uses more digits than its factorization.

2090363664481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93340 (or 46670 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 2090363664481 in words is "two trillion, ninety billion, three hundred sixty-three million, six hundred sixty-four thousand, four hundred eighty-one".