744279242753 has 2 divisors, whose sum is σ = 744279242754. Its totient is φ = 744279242752.

The previous prime is 744279242677. The next prime is 744279242767. The reversal of 744279242753 is 357242972447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701084686864 + 43194555889 = 837308^2 + 207833^2 .

It is an emirp because it is prime and its reverse (357242972447) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744279242753 is a prime.

It is not a weakly prime, because it can be changed into another prime (744279242953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372139621376 + 372139621377.

It is an arithmetic number, because the mean of its divisors is an integer number (372139621377).

Almost surely, 2^744279242753 is an apocalyptic number.

It is an amenable number.

744279242753 is a deficient number, since it is larger than the sum of its proper divisors (1).

744279242753 is an equidigital number, since it uses as much as digits as its factorization.

744279242753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23708160, while the sum is 56.

The spelling of 744279242753 in words is "seven hundred forty-four billion, two hundred seventy-nine million, two hundred forty-two thousand, seven hundred fifty-three".