36531641142209 has 2 divisors, whose sum is σ = 36531641142210. Its totient is φ = 36531641142208.

The previous prime is 36531641142203. The next prime is 36531641142221. The reversal of 36531641142209 is 90224114613563.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36042648623809 + 488992518400 = 6003553^2 + 699280^2 .

It is a cyclic number.

It is not a de Polignac number, because 36531641142209 - 2⁸ = 36531641141953 is a prime.

It is a super-2 number, since 2×36531641142209² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36531641142203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18265820571104 + 18265820571105.

It is an arithmetic number, because the mean of its divisors is an integer number (18265820571105).

Almost surely, 2^{36531641142209} is an apocalyptic number.

It is an amenable number.

36531641142209 is a deficient number, since it is larger than the sum of its proper divisors (1).

36531641142209 is an equidigital number, since it uses as much as digits as its factorization.

36531641142209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 36531641142209 in words is "thirty-six trillion, five hundred thirty-one billion, six hundred forty-one million, one hundred forty-two thousand, two hundred nine".