744947263393 has 2 divisors, whose sum is σ = 744947263394. Its totient is φ = 744947263392.

The previous prime is 744947263349. The next prime is 744947263421. The reversal of 744947263393 is 393362749447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685636993024 + 59310270369 = 828032^2 + 243537^2 .

It is a cyclic number.

It is not a de Polignac number, because 744947263393 - 2¹³ = 744947255201 is a prime.

It is not a weakly prime, because it can be changed into another prime (744947269393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372473631696 + 372473631697.

It is an arithmetic number, because the mean of its divisors is an integer number (372473631697).

Almost surely, 2^744947263393 is an apocalyptic number.

It is an amenable number.

744947263393 is a deficient number, since it is larger than the sum of its proper divisors (1).

744947263393 is an equidigital number, since it uses as much as digits as its factorization.

744947263393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82301184, while the sum is 61.

The spelling of 744947263393 in words is "seven hundred forty-four billion, nine hundred forty-seven million, two hundred sixty-three thousand, three hundred ninety-three".