6243528745 has 8 divisors (see below), whose sum is σ = 7492863816. Its totient is φ = 4994403456.

The previous prime is 6243528727. The next prime is 6243528751. The reversal of 6243528745 is 5478253426.

It can be written as a sum of positive squares in 4 ways, for example, as 3413714329 + 2829814416 = 58427^2 + 53196^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6243528745 - 2⁵ = 6243528713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6243528695 and 6243528704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22869 + ... + 114061.

It is an arithmetic number, because the mean of its divisors is an integer number (936607977).

Almost surely, 2^6243528745 is an apocalyptic number.

It is an amenable number.

6243528745 is a deficient number, since it is larger than the sum of its proper divisors (1249335071).

6243528745 is a wasteful number, since it uses less digits than its factorization.

6243528745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104891.

The product of its digits is 1612800, while the sum is 46.

The square root of 6243528745 is about 79016.0030943100. The cubic root of 6243528745 is about 1841.3797882513.

The spelling of 6243528745 in words is "six billion, two hundred forty-three million, five hundred twenty-eight thousand, seven hundred forty-five".