2198931529 has 2 divisors, whose sum is σ = 2198931530. Its totient is φ = 2198931528.

The previous prime is 2198931517. The next prime is 2198931563. The reversal of 2198931529 is 9251398912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1742895504 + 456036025 = 41748^2 + 21355^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198931529 - 2⁹ = 2198931017 is a prime.

It is not a weakly prime, because it can be changed into another prime (2190931529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099465764 + 1099465765.

It is an arithmetic number, because the mean of its divisors is an integer number (1099465765).

Almost surely, 2^2198931529 is an apocalyptic number.

It is an amenable number.

2198931529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198931529 is an equidigital number, since it uses as much as digits as its factorization.

2198931529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 49.

The square root of 2198931529 is about 46892.7662758341. The cubic root of 2198931529 is about 1300.3808605978.

The spelling of 2198931529 in words is "two billion, one hundred ninety-eight million, nine hundred thirty-one thousand, five hundred twenty-nine".