36018949 has 2 divisors, whose sum is σ = 36018950. Its totient is φ = 36018948.

The previous prime is 36018919. The next prime is 36018977. The reversal of 36018949 is 94981063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24930049 + 11088900 = 4993^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 36018949 - 2²³ = 27630341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36018919) 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, 18009474 + 18009475.

It is an arithmetic number, because the mean of its divisors is an integer number (18009475).

Almost surely, 2^36018949 is an apocalyptic number.

It is an amenable number.

36018949 is a deficient number, since it is larger than the sum of its proper divisors (1).

36018949 is an equidigital number, since it uses as much as digits as its factorization.

36018949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 36018949 is about 6001.5788755960. The cubic root of 36018949 is about 330.2506482643.

The spelling of 36018949 in words is "thirty-six million, eighteen thousand, nine hundred forty-nine".