2090256983279 has 4 divisors (see below), whose sum is σ = 2103570722184. Its totient is φ = 2076943244376.

The previous prime is 2090256983273. The next prime is 2090256983299. The reversal of 2090256983279 is 9723896520902.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2090256983279 - 2³⁶ = 2021537506543 is a prime.

It is a super-2 number, since 2×2090256983279² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090256983273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6656869217 + ... + 6656869530.

It is an arithmetic number, because the mean of its divisors is an integer number (525892680546).

Almost surely, 2^{2090256983279} is an apocalyptic number.

2090256983279 is a deficient number, since it is larger than the sum of its proper divisors (13313738905).

2090256983279 is a wasteful number, since it uses less digits than its factorization.

2090256983279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13313738904.

The product of its (nonzero) digits is 29393280, while the sum is 62.

The spelling of 2090256983279 in words is "two trillion, ninety billion, two hundred fifty-six million, nine hundred eighty-three thousand, two hundred seventy-nine".