2116486447 has 2 divisors, whose sum is σ = 2116486448. Its totient is φ = 2116486446.

The previous prime is 2116486441. The next prime is 2116486481. The reversal of 2116486447 is 7446846112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2116486447 - 2²³ = 2108097839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116486441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058243223 + 1058243224.

It is an arithmetic number, because the mean of its divisors is an integer number (1058243224).

Almost surely, 2^2116486447 is an apocalyptic number.

2116486447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116486447 is an equidigital number, since it uses as much as digits as its factorization.

2116486447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 258048, while the sum is 43.

The square root of 2116486447 is about 46005.2871635424. The cubic root of 2116486447 is about 1283.9215763850.

The spelling of 2116486447 in words is "two billion, one hundred sixteen million, four hundred eighty-six thousand, four hundred forty-seven".