1842971047 has 2 divisors, whose sum is σ = 1842971048. Its totient is φ = 1842971046.

The previous prime is 1842971029. The next prime is 1842971057. The reversal of 1842971047 is 7401792481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1842971047 - 2¹¹ = 1842968999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1842970994 and 1842971012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1842971057) 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, 921485523 + 921485524.

It is an arithmetic number, because the mean of its divisors is an integer number (921485524).

Almost surely, 2^1842971047 is an apocalyptic number.

1842971047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1842971047 is an equidigital number, since it uses as much as digits as its factorization.

1842971047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 1842971047 is about 42929.8386556484. The cubic root of 1842971047 is about 1226.0443232798.

The spelling of 1842971047 in words is "one billion, eight hundred forty-two million, nine hundred seventy-one thousand, forty-seven".