2164339290 has 32 divisors (see below), whose sum is σ = 5242968000. Its totient is φ = 571762304.

The previous prime is 2164339279. The next prime is 2164339319. The reversal of 2164339290 is 929334612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333915 + ... + 340334.

It is an arithmetic number, because the mean of its divisors is an integer number (163842750).

Almost surely, 2^2164339290 is an apocalyptic number.

2164339290 is an abundant number, since it is smaller than the sum of its proper divisors (3078628710).

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

2164339290 is a wasteful number, since it uses less digits than its factorization.

2164339290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674366.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 2164339290 is about 46522.4600596314. The cubic root of 2164339290 is about 1293.5258569428.

The spelling of 2164339290 in words is "two billion, one hundred sixty-four million, three hundred thirty-nine thousand, two hundred ninety".