2109813007 has 2 divisors, whose sum is σ = 2109813008. Its totient is φ = 2109813006.

The previous prime is 2109812993. The next prime is 2109813109. The reversal of 2109813007 is 7003189012.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2109813007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2109813007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109813907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054906503 + 1054906504.

It is an arithmetic number, because the mean of its divisors is an integer number (1054906504).

Almost surely, 2^2109813007 is an apocalyptic number.

2109813007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109813007 is an equidigital number, since it uses as much as digits as its factorization.

2109813007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 2109813007 is about 45932.7008459115. The cubic root of 2109813007 is about 1282.5707220341.

The spelling of 2109813007 in words is "two billion, one hundred nine million, eight hundred thirteen thousand, seven".