745652317823 has 4 divisors (see below), whose sum is σ = 852174077520. Its totient is φ = 639130558128.

The previous prime is 745652317819. The next prime is 745652317831. The reversal of 745652317823 is 328713256547.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 745652317823 - 2² = 745652317819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745652319823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53260879838 + ... + 53260879851.

It is an arithmetic number, because the mean of its divisors is an integer number (213043519380).

Almost surely, 2^745652317823 is an apocalyptic number.

745652317823 is a deficient number, since it is larger than the sum of its proper divisors (106521759697).

745652317823 is a wasteful number, since it uses less digits than its factorization.

745652317823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106521759696.

The product of its digits is 8467200, while the sum is 53.

The spelling of 745652317823 in words is "seven hundred forty-five billion, six hundred fifty-two million, three hundred seventeen thousand, eight hundred twenty-three".