6442832466349 has 2 divisors, whose sum is σ = 6442832466350. Its totient is φ = 6442832466348.

The previous prime is 6442832466311. The next prime is 6442832466361. The reversal of 6442832466349 is 9436642382446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4976267870025 + 1466564596324 = 2230755^2 + 1211018^2 .

It is a cyclic number.

It is not a de Polignac number, because 6442832466349 - 2¹⁹ = 6442831942061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6442832466379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221416233174 + 3221416233175.

It is an arithmetic number, because the mean of its divisors is an integer number (3221416233175).

Almost surely, 2^{6442832466349} is an apocalyptic number.

It is an amenable number.

6442832466349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6442832466349 is an equidigital number, since it uses as much as digits as its factorization.

6442832466349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143327232, while the sum is 61.

The spelling of 6442832466349 in words is "six trillion, four hundred forty-two billion, eight hundred thirty-two million, four hundred sixty-six thousand, three hundred forty-nine".