2100373999 has 2 divisors, whose sum is σ = 2100374000. Its totient is φ = 2100373998.

The previous prime is 2100373949. The next prime is 2100374011. The reversal of 2100373999 is 9993730012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100373999 - 2¹⁷ = 2100242927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100373949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050186999 + 1050187000.

It is an arithmetic number, because the mean of its divisors is an integer number (1050187000).

Almost surely, 2^2100373999 is an apocalyptic number.

2100373999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100373999 is an equidigital number, since it uses as much as digits as its factorization.

2100373999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 2100373999 is about 45829.8374315249. The cubic root of 2100373999 is about 1280.6551819554.

The spelling of 2100373999 in words is "two billion, one hundred million, three hundred seventy-three thousand, nine hundred ninety-nine".