745705436233 has 2 divisors, whose sum is σ = 745705436234. Its totient is φ = 745705436232.

The previous prime is 745705436221. The next prime is 745705436309. The reversal of 745705436233 is 332634507547.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424338896569 + 321366539664 = 651413^2 + 566892^2 .

It is an emirp because it is prime and its reverse (332634507547) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-745705436233 is a prime.

It is not a weakly prime, because it can be changed into another prime (745705436533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372852718116 + 372852718117.

It is an arithmetic number, because the mean of its divisors is an integer number (372852718117).

Almost surely, 2^745705436233 is an apocalyptic number.

It is an amenable number.

745705436233 is a deficient number, since it is larger than the sum of its proper divisors (1).

745705436233 is an equidigital number, since it uses as much as digits as its factorization.

745705436233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 49.

The spelling of 745705436233 in words is "seven hundred forty-five billion, seven hundred five million, four hundred thirty-six thousand, two hundred thirty-three".