1849382947 has 2 divisors, whose sum is σ = 1849382948. Its totient is φ = 1849382946.

The previous prime is 1849382939. The next prime is 1849382963. The reversal of 1849382947 is 7492839481.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1849382947 - 2³ = 1849382939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1849322947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924691473 + 924691474.

It is an arithmetic number, because the mean of its divisors is an integer number (924691474).

Almost surely, 2^1849382947 is an apocalyptic number.

1849382947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1849382947 is an equidigital number, since it uses as much as digits as its factorization.

1849382947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The square root of 1849382947 is about 43004.4526415579. The cubic root of 1849382947 is about 1227.4645254479.

The spelling of 1849382947 in words is "one billion, eight hundred forty-nine million, three hundred eighty-two thousand, nine hundred forty-seven".