2689525844 has 12 divisors (see below), whose sum is σ = 4707657024. Its totient is φ = 1344480984.

The previous prime is 2689525843. The next prime is 2689525897. The reversal of 2689525844 is 4485259862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2689525843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48242 + ... + 87785.

It is an arithmetic number, because the mean of its divisors is an integer number (392304752).

Almost surely, 2^2689525844 is an apocalyptic number.

It is an amenable number.

2689525844 is a deficient number, since it is larger than the sum of its proper divisors (2018131180).

2689525844 is a wasteful number, since it uses less digits than its factorization.

2689525844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140974 (or 140972 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 53.

The square root of 2689525844 is about 51860.6386771316. The cubic root of 2689525844 is about 1390.6736971974.

The spelling of 2689525844 in words is "two billion, six hundred eighty-nine million, five hundred twenty-five thousand, eight hundred forty-four".