36543540149 has 2 divisors, whose sum is σ = 36543540150. Its totient is φ = 36543540148.

The previous prime is 36543540079. The next prime is 36543540247. The reversal of 36543540149 is 94104534563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21496837924 + 15046702225 = 146618^2 + 122665^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36543540149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36543543149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18271770074 + 18271770075.

It is an arithmetic number, because the mean of its divisors is an integer number (18271770075).

Almost surely, 2^36543540149 is an apocalyptic number.

It is an amenable number.

36543540149 is a deficient number, since it is larger than the sum of its proper divisors (1).

36543540149 is an equidigital number, since it uses as much as digits as its factorization.

36543540149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 36543540149 in words is "thirty-six billion, five hundred forty-three million, five hundred forty thousand, one hundred forty-nine".