2689528897 has 8 divisors (see below), whose sum is σ = 3061598400. Its totient is φ = 2338720560.

The previous prime is 2689528883. The next prime is 2689528913. The reversal of 2689528897 is 7988259862.

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

It is not a de Polignac number, because 2689528897 - 2⁷ = 2689528769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2689528847) 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 7 ways as a sum of consecutive naturals, for example, 5315022 + ... + 5315527.

It is an arithmetic number, because the mean of its divisors is an integer number (382699800).

Almost surely, 2^2689528897 is an apocalyptic number.

It is an amenable number.

2689528897 is a deficient number, since it is larger than the sum of its proper divisors (372069503).

2689528897 is a wasteful number, since it uses less digits than its factorization.

2689528897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10630583.

The product of its digits is 34836480, while the sum is 64.

The square root of 2689528897 is about 51860.6681117781. The cubic root of 2689528897 is about 1390.6742234023.

The spelling of 2689528897 in words is "two billion, six hundred eighty-nine million, five hundred twenty-eight thousand, eight hundred ninety-seven".