745633324913 has 2 divisors, whose sum is σ = 745633324914. Its totient is φ = 745633324912.

The previous prime is 745633324907. The next prime is 745633324921. The reversal of 745633324913 is 319423336547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514572371569 + 231060953344 = 717337^2 + 480688^2 .

It is a cyclic number.

It is not a de Polignac number, because 745633324913 - 2¹⁴ = 745633308529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (745633324213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372816662456 + 372816662457.

It is an arithmetic number, because the mean of its divisors is an integer number (372816662457).

Almost surely, 2^745633324913 is an apocalyptic number.

It is an amenable number.

745633324913 is a deficient number, since it is larger than the sum of its proper divisors (1).

745633324913 is an equidigital number, since it uses as much as digits as its factorization.

745633324913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 50.

The spelling of 745633324913 in words is "seven hundred forty-five billion, six hundred thirty-three million, three hundred twenty-four thousand, nine hundred thirteen".