2101444339 has 2 divisors, whose sum is σ = 2101444340. Its totient is φ = 2101444338.

The previous prime is 2101444309. The next prime is 2101444349. The reversal of 2101444339 is 9334441012.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101444339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101444339.

It is not a weakly prime, because it can be changed into another prime (2101444309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050722169 + 1050722170.

It is an arithmetic number, because the mean of its divisors is an integer number (1050722170).

Almost surely, 2^2101444339 is an apocalyptic number.

2101444339 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101444339 is an equidigital number, since it uses as much as digits as its factorization.

2101444339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2101444339 is about 45841.5132712697. The cubic root of 2101444339 is about 1280.8726834883.

The spelling of 2101444339 in words is "two billion, one hundred one million, four hundred forty-four thousand, three hundred thirty-nine".