6216429527197 has 2 divisors, whose sum is σ = 6216429527198. Its totient is φ = 6216429527196.

The previous prime is 6216429527171. The next prime is 6216429527251. The reversal of 6216429527197 is 7917259246126.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4683441343876 + 1532988183321 = 2164126^2 + 1238139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6216429527197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6216429527107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108214763598 + 3108214763599.

It is an arithmetic number, because the mean of its divisors is an integer number (3108214763599).

Almost surely, 2^{6216429527197} is an apocalyptic number.

It is an amenable number.

6216429527197 is a deficient number, since it is larger than the sum of its proper divisors (1).

6216429527197 is an equidigital number, since it uses as much as digits as its factorization.

6216429527197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The spelling of 6216429527197 in words is "six trillion, two hundred sixteen billion, four hundred twenty-nine million, five hundred twenty-seven thousand, one hundred ninety-seven".