5427081971 has 2 divisors, whose sum is σ = 5427081972. Its totient is φ = 5427081970.

The previous prime is 5427081949. The next prime is 5427082007. The reversal of 5427081971 is 1791807245.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5427081971 is a prime.

It is not a weakly prime, because it can be changed into another prime (5427081871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2713540985 + 2713540986.

It is an arithmetic number, because the mean of its divisors is an integer number (2713540986).

Almost surely, 2^5427081971 is an apocalyptic number.

5427081971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5427081971 is an equidigital number, since it uses as much as digits as its factorization.

5427081971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 5427081971 is about 73668.7312976136. The cubic root of 5427081971 is about 1757.3386484923.

The spelling of 5427081971 in words is "five billion, four hundred twenty-seven million, eighty-one thousand, nine hundred seventy-one".