5481271667 has 2 divisors, whose sum is σ = 5481271668. Its totient is φ = 5481271666.

The previous prime is 5481271589. The next prime is 5481271681. The reversal of 5481271667 is 7661721845.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5481271667 is a prime.

It is not a weakly prime, because it can be changed into another prime (5481271967) 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, 2740635833 + 2740635834.

It is an arithmetic number, because the mean of its divisors is an integer number (2740635834).

Almost surely, 2^5481271667 is an apocalyptic number.

5481271667 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481271667 is an equidigital number, since it uses as much as digits as its factorization.

5481271667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The square root of 5481271667 is about 74035.6108031804. The cubic root of 5481271667 is about 1763.1683274125.

The spelling of 5481271667 in words is "five billion, four hundred eighty-one million, two hundred seventy-one thousand, six hundred sixty-seven".