2001019907 has 2 divisors, whose sum is σ = 2001019908. Its totient is φ = 2001019906.

The previous prime is 2001019879. The next prime is 2001019913. The reversal of 2001019907 is 7099101002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2001019907 - 2⁶ = 2001019843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2001019907.

It is not a weakly prime, because it can be changed into another prime (2001019957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000509953 + 1000509954.

It is an arithmetic number, because the mean of its divisors is an integer number (1000509954).

Almost surely, 2^2001019907 is an apocalyptic number.

2001019907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001019907 is an equidigital number, since it uses as much as digits as its factorization.

2001019907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 2001019907 is about 44732.7610035419. The cubic root of 2001019907 is about 1260.1351805498.

The spelling of 2001019907 in words is "two billion, one million, nineteen thousand, nine hundred seven".