2889209896 has 8 divisors (see below), whose sum is σ = 5417268570. Its totient is φ = 1444604944.

The previous prime is 2889209879. The next prime is 2889209909. The reversal of 2889209896 is 6989029882.

It can be written as a sum of positive squares in only one way, i.e., 2054808900 + 834400996 = 45330^2 + 28886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×2889209896³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180575611 + ... + 180575626.

Almost surely, 2^2889209896 is an apocalyptic number.

It is an amenable number.

2889209896 is a deficient number, since it is larger than the sum of its proper divisors (2528058674).

2889209896 is a wasteful number, since it uses less digits than its factorization.

2889209896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361151243 (or 361151239 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 61.

The square root of 2889209896 is about 53751.3711080936. The cubic root of 2889209896 is about 1424.2723106822.

The spelling of 2889209896 in words is "two billion, eight hundred eighty-nine million, two hundred nine thousand, eight hundred ninety-six".