2689374081 has 8 divisors (see below), whose sum is σ = 3586119264. Its totient is φ = 1792772480.

The previous prime is 2689374067. The next prime is 2689374089. The reversal of 2689374081 is 1804739862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2689374081 - 2²⁷ = 2555156353 is a prime.

It is a super-2 number, since 2×2689374081² = 14465465895109189122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2689374081.

It is not an unprimeable number, because it can be changed into a prime (2689374089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20446 + ... + 76136.

It is an arithmetic number, because the mean of its divisors is an integer number (448264908).

Almost surely, 2^2689374081 is an apocalyptic number.

It is an amenable number.

2689374081 is a deficient number, since it is larger than the sum of its proper divisors (896745183).

2689374081 is a wasteful number, since it uses less digits than its factorization.

2689374081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71791.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 2689374081 is about 51859.1754755125. The cubic root of 2689374081 is about 1390.6475393298.

The spelling of 2689374081 in words is "two billion, six hundred eighty-nine million, three hundred seventy-four thousand, eighty-one".