6613253243 has 4 divisors (see below), whose sum is σ = 6630702840. Its totient is φ = 6595803648.

The previous prime is 6613253203. The next prime is 6613253261. The reversal of 6613253243 is 3423523166.

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 6613253243 - 2²⁰ = 6612204667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6613253203) 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, 8724230 + ... + 8724987.

It is an arithmetic number, because the mean of its divisors is an integer number (1657675710).

Almost surely, 2^6613253243 is an apocalyptic number.

6613253243 is a deficient number, since it is larger than the sum of its proper divisors (17449597).

6613253243 is a wasteful number, since it uses less digits than its factorization.

6613253243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17449596.

The product of its digits is 77760, while the sum is 35.

The square root of 6613253243 is about 81321.9112109399. The cubic root of 6613253243 is about 1877.0321782303.

The spelling of 6613253243 in words is "six billion, six hundred thirteen million, two hundred fifty-three thousand, two hundred forty-three".