34566521243 has 4 divisors (see below), whose sum is σ = 36599846040. Its totient is φ = 32533196448.

The previous prime is 34566521237. The next prime is 34566521273. The reversal of 34566521243 is 34212566543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34566521243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34566521243.

It is not an unprimeable number, because it can be changed into a prime (34566521273) 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, 1016662373 + ... + 1016662406.

It is an arithmetic number, because the mean of its divisors is an integer number (9149961510).

Almost surely, 2^34566521243 is an apocalyptic number.

34566521243 is a deficient number, since it is larger than the sum of its proper divisors (2033324797).

34566521243 is a wasteful number, since it uses less digits than its factorization.

34566521243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033324796.

The product of its digits is 518400, while the sum is 41.

The spelling of 34566521243 in words is "thirty-four billion, five hundred sixty-six million, five hundred twenty-one thousand, two hundred forty-three".