2107001999 has 2 divisors, whose sum is σ = 2107002000. Its totient is φ = 2107001998.

The previous prime is 2107001987. The next prime is 2107002031. The reversal of 2107001999 is 9991007012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2107001999 - 2¹² = 2106997903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2107001929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053500999 + 1053501000.

It is an arithmetic number, because the mean of its divisors is an integer number (1053501000).

Almost surely, 2^2107001999 is an apocalyptic number.

2107001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2107001999 is an equidigital number, since it uses as much as digits as its factorization.

2107001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 2107001999 is about 45902.0914447261. The cubic root of 2107001999 is about 1282.0008581149. Note that the first 3 decimals are identical.

The spelling of 2107001999 in words is "two billion, one hundred seven million, one thousand, nine hundred ninety-nine".