2689131852 has 48 divisors (see below), whose sum is σ = 7605628800. Its totient is φ = 814888080.

The previous prime is 2689131839. The next prime is 2689131889. The reversal of 2689131852 is 2581319862.

It is a junction number, because it is equal to n+sod(n) for n = 2689131798 and 2689131807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1130602 + ... + 1132977.

It is an arithmetic number, because the mean of its divisors is an integer number (158450600).

Almost surely, 2^2689131852 is an apocalyptic number.

2689131852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2689131852 is an abundant number, since it is smaller than the sum of its proper divisors (4916496948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2689131852 is a wasteful number, since it uses less digits than its factorization.

2689131852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263603 (or 2263595 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 2689131852 is about 51856.8399731414. The cubic root of 2689131852 is about 1390.6057867055.

The spelling of 2689131852 in words is "two billion, six hundred eighty-nine million, one hundred thirty-one thousand, eight hundred fifty-two".