744056849 has 2 divisors, whose sum is σ = 744056850. Its totient is φ = 744056848.

The previous prime is 744056801. The next prime is 744056851. The reversal of 744056849 is 948650447.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 425184400 + 318872449 = 20620^2 + 17857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-744056849 is a prime.

Together with 744056851, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (744056869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372028424 + 372028425.

It is an arithmetic number, because the mean of its divisors is an integer number (372028425).

Almost surely, 2^744056849 is an apocalyptic number.

It is an amenable number.

744056849 is a deficient number, since it is larger than the sum of its proper divisors (1).

744056849 is an equidigital number, since it uses as much as digits as its factorization.

744056849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 744056849 is about 27277.4054667961. The cubic root of 744056849 is about 906.1540577687.

The spelling of 744056849 in words is "seven hundred forty-four million, fifty-six thousand, eight hundred forty-nine".