2881609692 has 96 divisors (see below), whose sum is σ = 7729989120. Its totient is φ = 828092160.

The previous prime is 2881609663. The next prime is 2881609699. The reversal of 2881609692 is 2969061882.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881609699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203598 + ... + 217290.

It is an arithmetic number, because the mean of its divisors is an integer number (80520720).

Almost surely, 2^2881609692 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 2881609692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3864994560).

2881609692 is an abundant number, since it is smaller than the sum of its proper divisors (4848379428).

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

2881609692 is a wasteful number, since it uses less digits than its factorization.

2881609692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803 (or 13801 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2881609692 is about 53680.6267847163. The cubic root of 2881609692 is about 1423.0223419964.

The spelling of 2881609692 in words is "two billion, eight hundred eighty-one million, six hundred nine thousand, six hundred ninety-two".