2305001999 has 2 divisors, whose sum is σ = 2305002000. Its totient is φ = 2305001998.

The previous prime is 2305001977. The next prime is 2305002013. The reversal of 2305001999 is 9991005032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2305001999 - 2²⁰ = 2303953423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2305001939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1152500999 + 1152501000.

It is an arithmetic number, because the mean of its divisors is an integer number (1152501000).

Almost surely, 2^2305001999 is an apocalyptic number.

2305001999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2305001999 is an equidigital number, since it uses as much as digits as its factorization.

2305001999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21870, while the sum is 38.

The square root of 2305001999 is about 48010.4363550260. The cubic root of 2305001999 is about 1320.9623375380.

The spelling of 2305001999 in words is "two billion, three hundred five million, one thousand, nine hundred ninety-nine".