2101444259 has 2 divisors, whose sum is σ = 2101444260. Its totient is φ = 2101444258.

The previous prime is 2101444253. The next prime is 2101444277. The reversal of 2101444259 is 9524441012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101444259 - 2²⁴ = 2084667043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2101444253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050722129 + 1050722130.

It is an arithmetic number, because the mean of its divisors is an integer number (1050722130).

Almost surely, 2^2101444259 is an apocalyptic number.

2101444259 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101444259 is an equidigital number, since it uses as much as digits as its factorization.

2101444259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2101444259 is about 45841.5123986982. The cubic root of 2101444259 is about 1280.8726672344.

The spelling of 2101444259 in words is "two billion, one hundred one million, four hundred forty-four thousand, two hundred fifty-nine".