1001849047 has 2 divisors, whose sum is σ = 1001849048. Its totient is φ = 1001849046.

The previous prime is 1001849011. The next prime is 1001849099. The reversal of 1001849047 is 7409481001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001849047 - 2¹⁹ = 1001324759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001849447) 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, 500924523 + 500924524.

It is an arithmetic number, because the mean of its divisors is an integer number (500924524).

Almost surely, 2^1001849047 is an apocalyptic number.

1001849047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001849047 is an equidigital number, since it uses as much as digits as its factorization.

1001849047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 1001849047 is about 31651.9990995830. Note that the first 3 decimals coincide. The cubic root of 1001849047 is about 1000.6159695037.

The spelling of 1001849047 in words is "one billion, one million, eight hundred forty-nine thousand, forty-seven".