744370254689 has 2 divisors, whose sum is σ = 744370254690. Its totient is φ = 744370254688.

The previous prime is 744370254679. The next prime is 744370254781. The reversal of 744370254689 is 986452073447.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379958822464 + 364411432225 = 616408^2 + 603665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744370254689 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (744370254679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372185127344 + 372185127345.

It is an arithmetic number, because the mean of its divisors is an integer number (372185127345).

Almost surely, 2^744370254689 is an apocalyptic number.

It is an amenable number.

744370254689 is a deficient number, since it is larger than the sum of its proper divisors (1).

744370254689 is an equidigital number, since it uses as much as digits as its factorization.

744370254689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 744370254689 in words is "seven hundred forty-four billion, three hundred seventy million, two hundred fifty-four thousand, six hundred eighty-nine".