2129192407 has 2 divisors, whose sum is σ = 2129192408. Its totient is φ = 2129192406.

The previous prime is 2129192381. The next prime is 2129192411. The reversal of 2129192407 is 7042919212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2129192407 - 2¹⁹ = 2128668119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129192447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064596203 + 1064596204.

It is an arithmetic number, because the mean of its divisors is an integer number (1064596204).

Almost surely, 2^2129192407 is an apocalyptic number.

2129192407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129192407 is an equidigital number, since it uses as much as digits as its factorization.

2129192407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 2129192407 is about 46143.1729186453. The cubic root of 2129192407 is about 1286.4857190557.

The spelling of 2129192407 in words is "two billion, one hundred twenty-nine million, one hundred ninety-two thousand, four hundred seven".