36488928660913 has 4 divisors (see below), whose sum is σ = 38635336229220. Its totient is φ = 34342521092608.

The previous prime is 36488928660901. The next prime is 36488928660971. The reversal of 36488928660913 is 31906682988463.

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 13672371478689 + 22816557182224 = 3697617^2 + 4776668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36488928660913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36488928664913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073203784128 + ... + 1073203784161.

It is an arithmetic number, because the mean of its divisors is an integer number (9658834057305).

Almost surely, 2^{36488928660913} is an apocalyptic number.

It is an amenable number.

36488928660913 is a deficient number, since it is larger than the sum of its proper divisors (2146407568307).

36488928660913 is a wasteful number, since it uses less digits than its factorization.

36488928660913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146407568306.

The product of its (nonzero) digits is 644972544, while the sum is 73.

The spelling of 36488928660913 in words is "thirty-six trillion, four hundred eighty-eight billion, nine hundred twenty-eight million, six hundred sixty thousand, nine hundred thirteen".