2921988096 has 108 divisors (see below), whose sum is σ = 8444674602. Its totient is φ = 973602816.

The previous prime is 2921988059. The next prime is 2921988127. The reversal of 2921988096 is 6908891292.

2921988096 is a `hidden beast` number, since 292 + 198 + 80 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2492006400 + 429981696 = 49920^2 + 20736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1178410 + ... + 1180886.

Almost surely, 2^2921988096 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921988096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4222337301).

2921988096 is an abundant number, since it is smaller than the sum of its proper divisors (5522686506).

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

2921988096 is an frugal number, since it uses more digits than its factorization.

2921988096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2517 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 2921988096 is about 54055.4168978466. The cubic root of 2921988096 is about 1429.6382112450.

The spelling of 2921988096 in words is "two billion, nine hundred twenty-one million, nine hundred eighty-eight thousand, ninety-six".