745510943517 has 8 divisors (see below), whose sum is σ = 994018935840. Its totient is φ = 497005123440.

The previous prime is 745510943473. The next prime is 745510943519. The reversal of 745510943517 is 715349015547.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 745510943517 - 2⁷ = 745510943389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745510943517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745510943519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603642 + ... + 1362132.

It is an arithmetic number, because the mean of its divisors is an integer number (124252366980).

Almost surely, 2^745510943517 is an apocalyptic number.

It is an amenable number.

745510943517 is a deficient number, since it is larger than the sum of its proper divisors (248507992323).

745510943517 is a wasteful number, since it uses less digits than its factorization.

745510943517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086123.

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 745510943517 in words is "seven hundred forty-five billion, five hundred ten million, nine hundred forty-three thousand, five hundred seventeen".