3427239971 has 2 divisors, whose sum is σ = 3427239972. Its totient is φ = 3427239970.

The previous prime is 3427239919. The next prime is 3427240057. The reversal of 3427239971 is 1799327243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3427239971 - 2¹⁴ = 3427223587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3427239911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1713619985 + 1713619986.

It is an arithmetic number, because the mean of its divisors is an integer number (1713619986).

Almost surely, 2^3427239971 is an apocalyptic number.

3427239971 is a deficient number, since it is larger than the sum of its proper divisors (1).

3427239971 is an equidigital number, since it uses as much as digits as its factorization.

3427239971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 571536, while the sum is 47.

The square root of 3427239971 is about 58542.6337894017. The cubic root of 3427239971 is about 1507.6996641189.

The spelling of 3427239971 in words is "three billion, four hundred twenty-seven million, two hundred thirty-nine thousand, nine hundred seventy-one".