2129902488 has 192 divisors, whose sum is σ = 7040816640. Its totient is φ = 568415232.

The previous prime is 2129902427. The next prime is 2129902493. The reversal of 2129902488 is 8842099212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 496320 + ... + 500592.

It is an arithmetic number, because the mean of its divisors is an integer number (36670920).

Almost surely, 2^2129902488 is an apocalyptic number.

2129902488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129902488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520408320).

2129902488 is an abundant number, since it is smaller than the sum of its proper divisors (4910914152).

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

2129902488 is a wasteful number, since it uses less digits than its factorization.

2129902488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4358 (or 4351 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2129902488 is about 46150.8666007476. The cubic root of 2129902488 is about 1286.6287165495.

The spelling of 2129902488 in words is "two billion, one hundred twenty-nine million, nine hundred two thousand, four hundred eighty-eight".