2684418533 has 2 divisors, whose sum is σ = 2684418534. Its totient is φ = 2684418532.

The previous prime is 2684418497. The next prime is 2684418547. The reversal of 2684418533 is 3358144862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2582469124 + 101949409 = 50818^2 + 10097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684418533 - 2⁶ = 2684418469 is a prime.

It is a super-2 number, since 2×2684418533² = 14412205720627744178, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684418563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342209266 + 1342209267.

It is an arithmetic number, because the mean of its divisors is an integer number (1342209267).

Almost surely, 2^2684418533 is an apocalyptic number.

It is an amenable number.

2684418533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684418533 is an equidigital number, since it uses as much as digits as its factorization.

2684418533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 44.

The square root of 2684418533 is about 51811.3745523124. The cubic root of 2684418533 is about 1389.7928599428.

The spelling of 2684418533 in words is "two billion, six hundred eighty-four million, four hundred eighteen thousand, five hundred thirty-three".