745785249733 has 2 divisors, whose sum is σ = 745785249734. Its totient is φ = 745785249732.

The previous prime is 745785249701. The next prime is 745785249739. The reversal of 745785249733 is 337942587547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721604377729 + 24180872004 = 849473^2 + 155502^2 .

It is a cyclic number.

It is not a de Polignac number, because 745785249733 - 2⁵ = 745785249701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745785249739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372892624866 + 372892624867.

It is an arithmetic number, because the mean of its divisors is an integer number (372892624867).

Almost surely, 2^745785249733 is an apocalyptic number.

It is an amenable number.

745785249733 is a deficient number, since it is larger than the sum of its proper divisors (1).

745785249733 is an equidigital number, since it uses as much as digits as its factorization.

745785249733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 177811200, while the sum is 64.

The spelling of 745785249733 in words is "seven hundred forty-five billion, seven hundred eighty-five million, two hundred forty-nine thousand, seven hundred thirty-three".