744969143 has 2 divisors, whose sum is σ = 744969144. Its totient is φ = 744969142.

The previous prime is 744969059. The next prime is 744969179. The reversal of 744969143 is 341969447.

It is a strong prime.

It is an emirp because it is prime and its reverse (341969447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744969143 - 2¹² = 744965047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (744969193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372484571 + 372484572.

It is an arithmetic number, because the mean of its divisors is an integer number (372484572).

Almost surely, 2^744969143 is an apocalyptic number.

744969143 is a deficient number, since it is larger than the sum of its proper divisors (1).

744969143 is an equidigital number, since it uses as much as digits as its factorization.

744969143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 744969143 is about 27294.1228655548. The cubic root of 744969143 is about 906.5242540672.

The spelling of 744969143 in words is "seven hundred forty-four million, nine hundred sixty-nine thousand, one hundred forty-three".