2001050643199 has 2 divisors, whose sum is σ = 2001050643200. Its totient is φ = 2001050643198.

The previous prime is 2001050643191. The next prime is 2001050643269. The reversal of 2001050643199 is 9913460501002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2001050643199 - 2³ = 2001050643191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001050643191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000525321599 + 1000525321600.

It is an arithmetic number, because the mean of its divisors is an integer number (1000525321600).

Almost surely, 2^{2001050643199} is an apocalyptic number.

2001050643199 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001050643199 is an equidigital number, since it uses as much as digits as its factorization.

2001050643199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 2001050643199 in words is "two trillion, one billion, fifty million, six hundred forty-three thousand, one hundred ninety-nine".