2081274798959 has 2 divisors, whose sum is σ = 2081274798960. Its totient is φ = 2081274798958.

The previous prime is 2081274798931. The next prime is 2081274798979. The reversal of 2081274798959 is 9598974721802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2081274798959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2081274798892 and 2081274798901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2081274798979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040637399479 + 1040637399480.

It is an arithmetic number, because the mean of its divisors is an integer number (1040637399480).

Almost surely, 2^{2081274798959} is an apocalyptic number.

2081274798959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081274798959 is an equidigital number, since it uses as much as digits as its factorization.

2081274798959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182891520, while the sum is 71.

The spelling of 2081274798959 in words is "two trillion, eighty-one billion, two hundred seventy-four million, seven hundred ninety-eight thousand, nine hundred fifty-nine".