2681580776023 has 4 divisors (see below), whose sum is σ = 2822716606360. Its totient is φ = 2540444945688.

The previous prime is 2681580776003. The next prime is 2681580776027. The reversal of 2681580776023 is 3206770851862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2681580776023 is a prime.

It is a super-2 number, since 2×2681580776023² (a number of 26 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 (2681580776027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70567915140 + ... + 70567915177.

It is an arithmetic number, because the mean of its divisors is an integer number (705679151590).

Almost surely, 2^{2681580776023} is an apocalyptic number.

2681580776023 is a deficient number, since it is larger than the sum of its proper divisors (141135830337).

2681580776023 is a wasteful number, since it uses less digits than its factorization.

2681580776023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141135830336.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 2681580776023 in words is "two trillion, six hundred eighty-one billion, five hundred eighty million, seven hundred seventy-six thousand, twenty-three".