2447849671 has 2 divisors, whose sum is σ = 2447849672. Its totient is φ = 2447849670.

The previous prime is 2447849653. The next prime is 2447849717. The reversal of 2447849671 is 1769487442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2447849671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2447849641) 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, 1223924835 + 1223924836.

It is an arithmetic number, because the mean of its divisors is an integer number (1223924836).

Almost surely, 2^2447849671 is an apocalyptic number.

2447849671 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447849671 is an equidigital number, since it uses as much as digits as its factorization.

2447849671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 52.

The square root of 2447849671 is about 49475.7483116729. The cubic root of 2447849671 is about 1347.7052319973.

The spelling of 2447849671 in words is "two billion, four hundred forty-seven million, eight hundred forty-nine thousand, six hundred seventy-one".