743485439 has 2 divisors, whose sum is σ = 743485440. Its totient is φ = 743485438.

The previous prime is 743485427. The next prime is 743485459. The reversal of 743485439 is 934584347.

It is a weak prime.

It is an emirp because it is prime and its reverse (934584347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 743485439 - 2²⁴ = 726708223 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 743485393 and 743485402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (743485459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371742719 + 371742720.

It is an arithmetic number, because the mean of its divisors is an integer number (371742720).

Almost surely, 2^743485439 is an apocalyptic number.

743485439 is a deficient number, since it is larger than the sum of its proper divisors (1).

743485439 is an equidigital number, since it uses as much as digits as its factorization.

743485439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 743485439 is about 27266.9294017497. The cubic root of 743485439 is about 905.9220333409.

The spelling of 743485439 in words is "seven hundred forty-three million, four hundred eighty-five thousand, four hundred thirty-nine".