2129973193 has 2 divisors, whose sum is σ = 2129973194. Its totient is φ = 2129973192.

The previous prime is 2129973161. The next prime is 2129973211. The reversal of 2129973193 is 3913799212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1834580224 + 295392969 = 42832^2 + 17187^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129973193 - 2⁵ = 2129973161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2129973103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064986596 + 1064986597.

It is an arithmetic number, because the mean of its divisors is an integer number (1064986597).

Almost surely, 2^2129973193 is an apocalyptic number.

It is an amenable number.

2129973193 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129973193 is an equidigital number, since it uses as much as digits as its factorization.

2129973193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 2129973193 is about 46151.6326146757. The cubic root of 2129973193 is about 1286.6429535200.

The spelling of 2129973193 in words is "two billion, one hundred twenty-nine million, nine hundred seventy-three thousand, one hundred ninety-three".