6117821336929 has 3 divisors (see below), whose sum is σ = 6117823810353. Its totient is φ = 6117818863506.

The previous prime is 6117821336927. The next prime is 6117821336951. The reversal of 6117821336929 is 9296331287116.

It is a happy number.

The square root of 6117821336929 is 2473423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 6117821336929 - 2¹ = 6117821336927 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6117821336927) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1236712 + ... + 3710134.

It is an arithmetic number, because the mean of its divisors is an integer number (2039274603451).

Almost surely, 2^{6117821336929} is an apocalyptic number.

6117821336929 is the 2473423-rd square number.

6117821336929 is the 1236712-nd centered octagonal number.

It is an amenable number.

6117821336929 is a deficient number, since it is larger than the sum of its proper divisors (2473424).

6117821336929 is an frugal number, since it uses more digits than its factorization.

6117821336929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946846 (or 2473423 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The spelling of 6117821336929 in words is "six trillion, one hundred seventeen billion, eight hundred twenty-one million, three hundred thirty-six thousand, nine hundred twenty-nine".