34564001243 has 4 divisors (see below), whose sum is σ = 34887029400. Its totient is φ = 34240973088.

The previous prime is 34564001209. The next prime is 34564001279. The reversal of 34564001243 is 34210046543.

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 34564001243 - 2¹² = 34563997147 is a prime.

It is a super-2 number, since 2×34564001243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34564001293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161513918 + ... + 161514131.

It is an arithmetic number, because the mean of its divisors is an integer number (8721757350).

Almost surely, 2^34564001243 is an apocalyptic number.

34564001243 is a deficient number, since it is larger than the sum of its proper divisors (323028157).

34564001243 is a wasteful number, since it uses less digits than its factorization.

34564001243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323028156.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 34564001243 its reverse (34210046543), we get a palindrome (68774047786).

The spelling of 34564001243 in words is "thirty-four billion, five hundred sixty-four million, one thousand, two hundred forty-three".