744477244897 has 2 divisors, whose sum is σ = 744477244898. Its totient is φ = 744477244896.

The previous prime is 744477244883. The next prime is 744477244919. The reversal of 744477244897 is 798442774447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 522395027361 + 222082217536 = 722769^2 + 471256^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744477244897 is a prime.

It is not a weakly prime, because it can be changed into another prime (744477244697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372238622448 + 372238622449.

It is an arithmetic number, because the mean of its divisors is an integer number (372238622449).

Almost surely, 2^744477244897 is an apocalyptic number.

It is an amenable number.

744477244897 is a deficient number, since it is larger than the sum of its proper divisors (1).

744477244897 is an equidigital number, since it uses as much as digits as its factorization.

744477244897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 354041856, while the sum is 67.

The spelling of 744477244897 in words is "seven hundred forty-four billion, four hundred seventy-seven million, two hundred forty-four thousand, eight hundred ninety-seven".