744279244871 has 2 divisors, whose sum is σ = 744279244872. Its totient is φ = 744279244870.

The previous prime is 744279244853. The next prime is 744279244873. The reversal of 744279244871 is 178442972447.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 744279244871 - 2²² = 744275050567 is a prime.

Together with 744279244873, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 744279244871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744279244873) 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, 372139622435 + 372139622436.

It is an arithmetic number, because the mean of its divisors is an integer number (372139622436).

Almost surely, 2^744279244871 is an apocalyptic number.

744279244871 is a deficient number, since it is larger than the sum of its proper divisors (1).

744279244871 is an equidigital number, since it uses as much as digits as its factorization.

744279244871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25288704, while the sum is 59.

The spelling of 744279244871 in words is "seven hundred forty-four billion, two hundred seventy-nine million, two hundred forty-four thousand, eight hundred seventy-one".