1984472011 has 2 divisors, whose sum is σ = 1984472012. Its totient is φ = 1984472010.

The previous prime is 1984471997. The next prime is 1984472041. The reversal of 1984472011 is 1102744891.

It is a weak prime.

It is an emirp because it is prime and its reverse (1102744891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1984472011 - 2⁹ = 1984471499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1984472041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992236005 + 992236006.

It is an arithmetic number, because the mean of its divisors is an integer number (992236006).

Almost surely, 2^1984472011 is an apocalyptic number.

1984472011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984472011 is an equidigital number, since it uses as much as digits as its factorization.

1984472011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1984472011 is about 44547.4130674274. The cubic root of 1984472011 is about 1256.6519013229.

The spelling of 1984472011 in words is "one billion, nine hundred eighty-four million, four hundred seventy-two thousand, eleven".