745841399 has 2 divisors, whose sum is σ = 745841400. Its totient is φ = 745841398.

The previous prime is 745841389. The next prime is 745841441. The reversal of 745841399 is 993148547.

It is a weak prime.

It is an emirp because it is prime and its reverse (993148547) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 745841399 - 2¹² = 745837303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745841389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372920699 + 372920700.

It is an arithmetic number, because the mean of its divisors is an integer number (372920700).

Almost surely, 2^745841399 is an apocalyptic number.

745841399 is a deficient number, since it is larger than the sum of its proper divisors (1).

745841399 is an equidigital number, since it uses as much as digits as its factorization.

745841399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 50.

The square root of 745841399 is about 27310.0970155728. The cubic root of 745841399 is about 906.8779209805.

The spelling of 745841399 in words is "seven hundred forty-five million, eight hundred forty-one thousand, three hundred ninety-nine".