36181799 has 2 divisors, whose sum is σ = 36181800. Its totient is φ = 36181798.

The previous prime is 36181781. The next prime is 36181823. The reversal of 36181799 is 99718163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36181799 - 2⁸ = 36181543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36181199) 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, 18090899 + 18090900.

It is an arithmetic number, because the mean of its divisors is an integer number (18090900).

Almost surely, 2^36181799 is an apocalyptic number.

36181799 is a deficient number, since it is larger than the sum of its proper divisors (1).

36181799 is an equidigital number, since it uses as much as digits as its factorization.

36181799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 44.

The square root of 36181799 is about 6015.1308381448. The cubic root of 36181799 is about 330.7476132410.

The spelling of 36181799 in words is "thirty-six million, one hundred eighty-one thousand, seven hundred ninety-nine".