2689154992 has 10 divisors (see below), whose sum is σ = 5210237828. Its totient is φ = 1344577488.

The previous prime is 2689154981. The next prime is 2689154999. The reversal of 2689154992 is 2994519862.

It is not an unprimeable number, because it can be changed into a prime (2689154999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84036078 + ... + 84036109.

Almost surely, 2^2689154992 is an apocalyptic number.

It is an amenable number.

2689154992 is a deficient number, since it is larger than the sum of its proper divisors (2521082836).

2689154992 is a wasteful number, since it uses less digits than its factorization.

2689154992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168072195 (or 168072189 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 55.

The square root of 2689154992 is about 51857.0630869123. The cubic root of 2689154992 is about 1390.6097754186.

The spelling of 2689154992 in words is "two billion, six hundred eighty-nine million, one hundred fifty-four thousand, nine hundred ninety-two".