6117010721 has 2 divisors, whose sum is σ = 6117010722. Its totient is φ = 6117010720.

The previous prime is 6117010657. The next prime is 6117010723. The reversal of 6117010721 is 1270107116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6098829025 + 18181696 = 78095^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 6117010721 - 2⁶ = 6117010657 is a prime.

Together with 6117010723, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6117010723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058505360 + 3058505361.

It is an arithmetic number, because the mean of its divisors is an integer number (3058505361).

Almost surely, 2^6117010721 is an apocalyptic number.

It is an amenable number.

6117010721 is a deficient number, since it is larger than the sum of its proper divisors (1).

6117010721 is an equidigital number, since it uses as much as digits as its factorization.

6117010721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 6117010721 is about 78211.3209260654. The cubic root of 6117010721 is about 1828.8569928433.

Adding to 6117010721 its reverse (1270107116), we get a palindrome (7387117837).

The spelling of 6117010721 in words is "six billion, one hundred seventeen million, ten thousand, seven hundred twenty-one".