745605775399 has 2 divisors, whose sum is σ = 745605775400. Its totient is φ = 745605775398.

The previous prime is 745605775339. The next prime is 745605775513. The reversal of 745605775399 is 993577506547.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745605775399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745605775339) 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, 372802887699 + 372802887700.

It is an arithmetic number, because the mean of its divisors is an integer number (372802887700).

Almost surely, 2^745605775399 is an apocalyptic number.

745605775399 is a deficient number, since it is larger than the sum of its proper divisors (1).

745605775399 is an equidigital number, since it uses as much as digits as its factorization.

745605775399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250047000, while the sum is 67.

The spelling of 745605775399 in words is "seven hundred forty-five billion, six hundred five million, seven hundred seventy-five thousand, three hundred ninety-nine".