6216323402369 has 2 divisors, whose sum is σ = 6216323402370. Its totient is φ = 6216323402368.

The previous prime is 6216323402329. The next prime is 6216323402383. The reversal of 6216323402369 is 9632043236126.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5886058254400 + 330265147969 = 2426120^2 + 574687^2 .

It is a cyclic number.

It is not a de Polignac number, because 6216323402369 - 2¹² = 6216323398273 is a prime.

It is a super-2 number, since 2×6216323402369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6216323402329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108161701184 + 3108161701185.

It is an arithmetic number, because the mean of its divisors is an integer number (3108161701185).

Almost surely, 2^{6216323402369} is an apocalyptic number.

It is an amenable number.

6216323402369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6216323402369 is an equidigital number, since it uses as much as digits as its factorization.

6216323402369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 6216323402369 in words is "six trillion, two hundred sixteen billion, three hundred twenty-three million, four hundred two thousand, three hundred sixty-nine".