744980676809 has 2 divisors, whose sum is σ = 744980676810. Its totient is φ = 744980676808.

The previous prime is 744980676799. The next prime is 744980676829. The reversal of 744980676809 is 908676089447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 395496343225 + 349484333584 = 628885^2 + 591172^2 .

It is a cyclic number.

It is not a de Polignac number, because 744980676809 - 2²⁰ = 744979628233 is a prime.

It is not a weakly prime, because it can be changed into another prime (744980676829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372490338404 + 372490338405.

It is an arithmetic number, because the mean of its divisors is an integer number (372490338405).

Almost surely, 2^744980676809 is an apocalyptic number.

It is an amenable number.

744980676809 is a deficient number, since it is larger than the sum of its proper divisors (1).

744980676809 is an equidigital number, since it uses as much as digits as its factorization.

744980676809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146313216, while the sum is 68.

The spelling of 744980676809 in words is "seven hundred forty-four billion, nine hundred eighty million, six hundred seventy-six thousand, eight hundred nine".