36544446109 has 2 divisors, whose sum is σ = 36544446110. Its totient is φ = 36544446108.

The previous prime is 36544446101. The next prime is 36544446179. The reversal of 36544446109 is 90164444563.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29105383609 + 7439062500 = 170603^2 + 86250^2 .

It is a cyclic number.

It is not a de Polignac number, because 36544446109 - 2³ = 36544446101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36544446101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18272223054 + 18272223055.

It is an arithmetic number, because the mean of its divisors is an integer number (18272223055).

Almost surely, 2^36544446109 is an apocalyptic number.

It is an amenable number.

36544446109 is a deficient number, since it is larger than the sum of its proper divisors (1).

36544446109 is an equidigital number, since it uses as much as digits as its factorization.

36544446109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 46.

It can be divided in two parts, 36544 and 446109, that added together give a triangular number (482653 = T₉₈₂).

The spelling of 36544446109 in words is "thirty-six billion, five hundred forty-four million, four hundred forty-six thousand, one hundred nine".