745424424547 has 64 divisors (see below), whose sum is σ = 874886842368. Its totient is φ = 628467840000.

The previous prime is 745424424539. The next prime is 745424424659.

745424424547 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 745424424547 - 2³ = 745424424539 is a prime.

It is a super-2 number, since 2×745424424547² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 745424424494 and 745424424503.

It is not an unprimeable number, because it can be changed into a prime (745424424517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 284837983 + ... + 284840599.

It is an arithmetic number, because the mean of its divisors is an integer number (13670106912).

Almost surely, 2^745424424547 is an apocalyptic number.

745424424547 is a deficient number, since it is larger than the sum of its proper divisors (129462417821).

745424424547 is a wasteful number, since it uses less digits than its factorization.

745424424547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its digits is 20070400, while the sum is 52.

The spelling of 745424424547 in words is "seven hundred forty-five billion, four hundred twenty-four million, four hundred twenty-four thousand, five hundred forty-seven".