2090791305481 has 16 divisors (see below), whose sum is σ = 2098377031680. Its totient is φ = 2083225147200.

The previous prime is 2090791305457. The next prime is 2090791305497. The reversal of 2090791305481 is 1845031970902.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2090791305481 - 2⁹ = 2090791304969 is a prime.

It is a super-2 number, since 2×2090791305481² (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 (2090791308481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 887054955 + ... + 887057311.

It is an arithmetic number, because the mean of its divisors is an integer number (131148564480).

Almost surely, 2^{2090791305481} is an apocalyptic number.

It is an amenable number.

2090791305481 is a deficient number, since it is larger than the sum of its proper divisors (7585726199).

2090791305481 is a wasteful number, since it uses less digits than its factorization.

2090791305481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5304.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 2090791305481 in words is "two trillion, ninety billion, seven hundred ninety-one million, three hundred five thousand, four hundred eighty-one".