1994084971 has 2 divisors, whose sum is σ = 1994084972. Its totient is φ = 1994084970.

The previous prime is 1994084959. The next prime is 1994084999. The reversal of 1994084971 is 1794804991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1994084971 - 2¹⁹ = 1993560683 is a prime.

It is not a weakly prime, because it can be changed into another prime (1994084171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997042485 + 997042486.

It is an arithmetic number, because the mean of its divisors is an integer number (997042486).

Almost surely, 2^1994084971 is an apocalyptic number.

1994084971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1994084971 is an equidigital number, since it uses as much as digits as its factorization.

1994084971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 52.

The square root of 1994084971 is about 44655.1785462784. The cubic root of 1994084971 is about 1258.6777451329.

The spelling of 1994084971 in words is "one billion, nine hundred ninety-four million, eighty-four thousand, nine hundred seventy-one".