36434521187 has 2 divisors, whose sum is σ = 36434521188. Its totient is φ = 36434521186.

The previous prime is 36434521177. The next prime is 36434521243. The reversal of 36434521187 is 78112543463.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36434521187 - 2¹⁴ = 36434504803 is a prime.

It is not a weakly prime, because it can be changed into another prime (36434521127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18217260593 + 18217260594.

It is an arithmetic number, because the mean of its divisors is an integer number (18217260594).

Almost surely, 2^36434521187 is an apocalyptic number.

36434521187 is a deficient number, since it is larger than the sum of its proper divisors (1).

36434521187 is an equidigital number, since it uses as much as digits as its factorization.

36434521187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The spelling of 36434521187 in words is "thirty-six billion, four hundred thirty-four million, five hundred twenty-one thousand, one hundred eighty-seven".