744683809993 has 2 divisors, whose sum is σ = 744683809994. Its totient is φ = 744683809992.

The previous prime is 744683809981. The next prime is 744683810029. The reversal of 744683809993 is 399908386447.

744683809993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 730363379769 + 14320430224 = 854613^2 + 119668^2 .

It is a cyclic number.

It is not a de Polignac number, because 744683809993 - 2³³ = 736093875401 is a prime.

It is not a weakly prime, because it can be changed into another prime (744683809963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372341904996 + 372341904997.

It is an arithmetic number, because the mean of its divisors is an integer number (372341904997).

Almost surely, 2^744683809993 is an apocalyptic number.

It is an amenable number.

744683809993 is a deficient number, since it is larger than the sum of its proper divisors (1).

744683809993 is an equidigital number, since it uses as much as digits as its factorization.

744683809993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282175488, while the sum is 70.

The spelling of 744683809993 in words is "seven hundred forty-four billion, six hundred eighty-three million, eight hundred nine thousand, nine hundred ninety-three".