36544432061 has 4 divisors (see below), whose sum is σ = 37532119452. Its totient is φ = 35556744672.

The previous prime is 36544432039. The next prime is 36544432079. The reversal of 36544432061 is 16023444563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26500584100 + 10043847961 = 162790^2 + 100219^2 .

It is a cyclic number.

It is not a de Polignac number, because 36544432061 - 2⁶ = 36544431997 is a prime.

It is a super-3 number, since 3×36544432061³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36544432091) 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 in 3 ways as a sum of consecutive naturals, for example, 493843640 + ... + 493843713.

It is an arithmetic number, because the mean of its divisors is an integer number (9383029863).

Almost surely, 2^36544432061 is an apocalyptic number.

It is an amenable number.

36544432061 is a deficient number, since it is larger than the sum of its proper divisors (987687391).

36544432061 is an equidigital number, since it uses as much as digits as its factorization.

36544432061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987687390.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 36544432061 in words is "thirty-six billion, five hundred forty-four million, four hundred thirty-two thousand, sixty-one".