36274438061 has 4 divisors (see below), whose sum is σ = 36283935324. Its totient is φ = 36264940800.

The previous prime is 36274438021. The next prime is 36274438073. The reversal of 36274438061 is 16083447263.

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 18678415561 + 17596022500 = 136669^2 + 132650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36274438061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36274438001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4742900 + ... + 4750541.

It is an arithmetic number, because the mean of its divisors is an integer number (9070983831).

Almost surely, 2^36274438061 is an apocalyptic number.

It is an amenable number.

36274438061 is a deficient number, since it is larger than the sum of its proper divisors (9497263).

36274438061 is an equidigital number, since it uses as much as digits as its factorization.

36274438061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497262.

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 36274438061 in words is "thirty-six billion, two hundred seventy-four million, four hundred thirty-eight thousand, sixty-one".