745031043533247 has 4 divisors (see below), whose sum is σ = 993374724711000. Its totient is φ = 496687362355496.

The previous prime is 745031043533191. The next prime is 745031043533323. The reversal of 745031043533247 is 742335340130547.

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 745031043533247 - 2³⁵ = 744996683794879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 745031043533247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745031043533047) 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, 124171840588872 + ... + 124171840588877.

It is an arithmetic number, because the mean of its divisors is an integer number (248343681177750).

Almost surely, 2^{745031043533247} is an apocalyptic number.

745031043533247 is a deficient number, since it is larger than the sum of its proper divisors (248343681177753).

745031043533247 is a wasteful number, since it uses less digits than its factorization.

745031043533247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248343681177752.

The product of its (nonzero) digits is 12700800, while the sum is 51.

The spelling of 745031043533247 in words is "seven hundred forty-five trillion, thirty-one billion, forty-three million, five hundred thirty-three thousand, two hundred forty-seven".