2101914407 has 2 divisors, whose sum is σ = 2101914408. Its totient is φ = 2101914406.

The previous prime is 2101914383. The next prime is 2101914449. The reversal of 2101914407 is 7044191012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101914407 - 2²² = 2097720103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101914407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101914467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050957203 + 1050957204.

It is an arithmetic number, because the mean of its divisors is an integer number (1050957204).

Almost surely, 2^2101914407 is an apocalyptic number.

2101914407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101914407 is an equidigital number, since it uses as much as digits as its factorization.

2101914407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2101914407 is about 45846.6400840890. The cubic root of 2101914407 is about 1280.9681816751.

The spelling of 2101914407 in words is "two billion, one hundred one million, nine hundred fourteen thousand, four hundred seven".