36018449 has 2 divisors, whose sum is σ = 36018450. Its totient is φ = 36018448.

The previous prime is 36018443. The next prime is 36018467. The reversal of 36018449 is 94481063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35916049 + 102400 = 5993^2 + 320^2 .

It is an emirp because it is prime and its reverse (94481063) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36018449 - 2⁸ = 36018193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36018443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18009224 + 18009225.

It is an arithmetic number, because the mean of its divisors is an integer number (18009225).

Almost surely, 2^36018449 is an apocalyptic number.

It is an amenable number.

36018449 is a deficient number, since it is larger than the sum of its proper divisors (1).

36018449 is an equidigital number, since it uses as much as digits as its factorization.

36018449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 36018449 is about 6001.5372197463. The cubic root of 36018449 is about 330.2491201234.

The spelling of 36018449 in words is "thirty-six million, eighteen thousand, four hundred forty-nine".