34221243344651 has 24 divisors (see below), whose sum is σ = 37946035126272. Its totient is φ = 30836952946800.

The previous prime is 34221243344633. The next prime is 34221243344663. The reversal of 34221243344651 is 15644334212243.

It is a de Polignac number, because none of the positive numbers 2^k-34221243344651 is a prime.

It is a super-2 number, since 2×34221243344651² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34221243344051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15744806 + ... + 17785988.

It is an arithmetic number, because the mean of its divisors is an integer number (1581084796928).

Almost surely, 2^{34221243344651} is an apocalyptic number.

34221243344651 is a deficient number, since it is larger than the sum of its proper divisors (3724791781621).

34221243344651 is a wasteful number, since it uses less digits than its factorization.

34221243344651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042423 (or 2042412 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 44.

Adding to 34221243344651 its reverse (15644334212243), we get a palindrome (49865577556894).

The spelling of 34221243344651 in words is "thirty-four trillion, two hundred twenty-one billion, two hundred forty-three million, three hundred forty-four thousand, six hundred fifty-one".