36018439 has 2 divisors, whose sum is σ = 36018440. Its totient is φ = 36018438.

The previous prime is 36018421. The next prime is 36018443. The reversal of 36018439 is 93481063.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36018439 - 2⁵ = 36018407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36018449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18009219 + 18009220.

It is an arithmetic number, because the mean of its divisors is an integer number (18009220).

Almost surely, 2^36018439 is an apocalyptic number.

36018439 is a deficient number, since it is larger than the sum of its proper divisors (1).

36018439 is an equidigital number, since it uses as much as digits as its factorization.

36018439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 36018439 is about 6001.5363866263. The cubic root of 36018439 is about 330.2490895604.

The spelling of 36018439 in words is "thirty-six million, eighteen thousand, four hundred thirty-nine".