2211681463 has 2 divisors, whose sum is σ = 2211681464. Its totient is φ = 2211681462.

The previous prime is 2211681389. The next prime is 2211681469. The reversal of 2211681463 is 3641861122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2211681463 - 2⁹ = 2211680951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211681469) 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, 1105840731 + 1105840732.

It is an arithmetic number, because the mean of its divisors is an integer number (1105840732).

Almost surely, 2^2211681463 is an apocalyptic number.

2211681463 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211681463 is an equidigital number, since it uses as much as digits as its factorization.

2211681463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 2211681463 is about 47028.5175505246. The cubic root of 2211681463 is about 1302.8893256192.

The spelling of 2211681463 in words is "two billion, two hundred eleven million, six hundred eighty-one thousand, four hundred sixty-three".