2198912329 has 4 divisors (see below), whose sum is σ = 2231731984. Its totient is φ = 2166092676.

The previous prime is 2198912321. The next prime is 2198912341. The reversal of 2198912329 is 9232198912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2198912329 - 2³ = 2198912321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198912321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16409727 + ... + 16409860.

It is an arithmetic number, because the mean of its divisors is an integer number (557932996).

Almost surely, 2^2198912329 is an apocalyptic number.

It is an amenable number.

2198912329 is a deficient number, since it is larger than the sum of its proper divisors (32819655).

2198912329 is an equidigital number, since it uses as much as digits as its factorization.

2198912329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32819654.

The product of its digits is 139968, while the sum is 46.

The square root of 2198912329 is about 46892.5615529798. The cubic root of 2198912329 is about 1300.3770758225.

The spelling of 2198912329 in words is "two billion, one hundred ninety-eight million, nine hundred twelve thousand, three hundred twenty-nine".