745484747484547 has 4 divisors (see below), whose sum is σ = 851982568553776. Its totient is φ = 638986926415320.

The previous prime is 745484747484487. The next prime is 745484747484707.

745484747484547 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-745484747484547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745484747284547) 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 3 ways as a sum of consecutive naturals, for example, 53248910534604 + ... + 53248910534617.

It is an arithmetic number, because the mean of its divisors is an integer number (212995642138444).

Almost surely, 2^{745484747484547} is an apocalyptic number.

745484747484547 is a deficient number, since it is larger than the sum of its proper divisors (106497821069229).

745484747484547 is a wasteful number, since it uses less digits than its factorization.

745484747484547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106497821069228.

The product of its digits is 62940774400, while the sum is 82.

The spelling of 745484747484547 in words is "seven hundred forty-five trillion, four hundred eighty-four billion, seven hundred forty-seven million, four hundred eighty-four thousand, five hundred forty-seven".