2129192330 has 32 divisors (see below), whose sum is σ = 3924310464. Its totient is φ = 831511296.

The previous prime is 2129192323. The next prime is 2129192339. The reversal of 2129192330 is 332919212.

It is not an unprimeable number, because it can be changed into a prime (2129192339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61649 + ... + 89771.

It is an arithmetic number, because the mean of its divisors is an integer number (122634702).

Almost surely, 2^2129192330 is an apocalyptic number.

2129192330 is a deficient number, since it is larger than the sum of its proper divisors (1795118134).

2129192330 is a wasteful number, since it uses less digits than its factorization.

2129192330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28310.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 2129192330 is about 46143.1720842857. The cubic root of 2129192330 is about 1286.4857035476.

The spelling of 2129192330 in words is "two billion, one hundred twenty-nine million, one hundred ninety-two thousand, three hundred thirty".