2689994813 has 8 divisors (see below), whose sum is σ = 3107160000. Its totient is φ = 2301599680.

The previous prime is 2689994809. The next prime is 2689994849. The reversal of 2689994813 is 3184999862.

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 2689994813 - 2² = 2689994809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689994413) 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, 7192313 + ... + 7192686.

It is an arithmetic number, because the mean of its divisors is an integer number (388395000).

Almost surely, 2^2689994813 is an apocalyptic number.

It is an amenable number.

2689994813 is a deficient number, since it is larger than the sum of its proper divisors (417165187).

2689994813 is a wasteful number, since it uses less digits than its factorization.

2689994813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14385027.

The product of its digits is 6718464, while the sum is 59.

The square root of 2689994813 is about 51865.1599149178. The cubic root of 2689994813 is about 1390.7545224664.

The spelling of 2689994813 in words is "two billion, six hundred eighty-nine million, nine hundred ninety-four thousand, eight hundred thirteen".