2676986281 has 4 divisors (see below), whose sum is σ = 2720871364. Its totient is φ = 2633101200.

The previous prime is 2676986269. The next prime is 2676986287. The reversal of 2676986281 is 1826896762.

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

It can be written as a sum of positive squares in 2 ways, for example, as 196448256 + 2480538025 = 14016^2 + 49805^2 .

It is a cyclic number.

It is not a de Polignac number, because 2676986281 - 2⁷ = 2676986153 is a prime.

It is a super-2 number, since 2×2676986281² = 14332511097324421922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2676986287) 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, 21942450 + ... + 21942571.

It is an arithmetic number, because the mean of its divisors is an integer number (680217841).

Almost surely, 2^2676986281 is an apocalyptic number.

It is an amenable number.

2676986281 is a deficient number, since it is larger than the sum of its proper divisors (43885083).

2676986281 is an equidigital number, since it uses as much as digits as its factorization.

2676986281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43885082.

The product of its digits is 3483648, while the sum is 55.

The square root of 2676986281 is about 51739.6007039096. The cubic root of 2676986281 is about 1388.5090514131.

It can be divided in two parts, 26769 and 86281, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 2676986281 in words is "two billion, six hundred seventy-six million, nine hundred eighty-six thousand, two hundred eighty-one".