1984740533 has 2 divisors, whose sum is σ = 1984740534. Its totient is φ = 1984740532.

The previous prime is 1984740529. The next prime is 1984740601. The reversal of 1984740533 is 3350474891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1835094244 + 149646289 = 42838^2 + 12233^2 .

It is a cyclic number.

It is not a de Polignac number, because 1984740533 - 2² = 1984740529 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1984740503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992370266 + 992370267.

It is an arithmetic number, because the mean of its divisors is an integer number (992370267).

Almost surely, 2^1984740533 is an apocalyptic number.

It is an amenable number.

1984740533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984740533 is an equidigital number, since it uses as much as digits as its factorization.

1984740533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1984740533 is about 44550.4268554186. The cubic root of 1984740533 is about 1256.7085786089.

The spelling of 1984740533 in words is "one billion, nine hundred eighty-four million, seven hundred forty thousand, five hundred thirty-three".