244105619 has 2 divisors, whose sum is σ = 244105620. Its totient is φ = 244105618.

The previous prime is 244105579. The next prime is 244105621. The reversal of 244105619 is 916501442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244105619 is a prime.

It is a super-2 number, since 2×244105619² = 119175106454746322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 244105621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (244105679) 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, 122052809 + 122052810.

It is an arithmetic number, because the mean of its divisors is an integer number (122052810).

Almost surely, 2^244105619 is an apocalyptic number.

244105619 is a deficient number, since it is larger than the sum of its proper divisors (1).

244105619 is an equidigital number, since it uses as much as digits as its factorization.

244105619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 244105619 is about 15623.8797678426. The cubic root of 244105619 is about 624.9701267855.

The spelling of 244105619 in words is "two hundred forty-four million, one hundred five thousand, six hundred nineteen".