34221612243 has 64 divisors (see below), whose sum is σ = 58020515840. Its totient is φ = 17562220416.

The previous prime is 34221612199. The next prime is 34221612247.

34221612243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 34221612243 - 2¹⁶ = 34221546707 is a prime.

It is a super-2 number, since 2×34221612243² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34221612243.

It is not an unprimeable number, because it can be changed into a prime (34221612247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1697046 + ... + 1717092.

It is an arithmetic number, because the mean of its divisors is an integer number (906570560).

Almost surely, 2^34221612243 is an apocalyptic number.

34221612243 is a deficient number, since it is larger than the sum of its proper divisors (23798903597).

34221612243 is a wasteful number, since it uses less digits than its factorization.

34221612243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20133 (or 20107 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The spelling of 34221612243 in words is "thirty-four billion, two hundred twenty-one million, six hundred twelve thousand, two hundred forty-three".