744273696493 has 2 divisors, whose sum is σ = 744273696494. Its totient is φ = 744273696492.

The previous prime is 744273696443. The next prime is 744273696547. The reversal of 744273696493 is 394696372447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 469385303689 + 274888392804 = 685117^2 + 524298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744273696493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744273696443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372136848246 + 372136848247.

It is an arithmetic number, because the mean of its divisors is an integer number (372136848247).

Almost surely, 2^744273696493 is an apocalyptic number.

It is an amenable number.

744273696493 is a deficient number, since it is larger than the sum of its proper divisors (1).

744273696493 is an equidigital number, since it uses as much as digits as its factorization.

744273696493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 164602368, while the sum is 64.

The spelling of 744273696493 in words is "seven hundred forty-four billion, two hundred seventy-three million, six hundred ninety-six thousand, four hundred ninety-three".