36331648968641 has 4 divisors (see below), whose sum is σ = 39126391197012. Its totient is φ = 33536906740272.

The previous prime is 36331648968613. The next prime is 36331648968673. The reversal of 36331648968641 is 14686984613363.

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 10124621250241 + 26207027718400 = 3181921^2 + 5119280^2 .

It is not a de Polignac number, because 36331648968641 - 2¹⁰ = 36331648967617 is a prime.

It is a super-3 number, since 3×36331648968641³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36331648968541) 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, 1397371114166 + ... + 1397371114191.

It is an arithmetic number, because the mean of its divisors is an integer number (9781597799253).

Almost surely, 2^{36331648968641} is an apocalyptic number.

It is an amenable number.

36331648968641 is a deficient number, since it is larger than the sum of its proper divisors (2794742228371).

36331648968641 is a wasteful number, since it uses less digits than its factorization.

36331648968641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794742228370.

The product of its digits is 322486272, while the sum is 68.

The spelling of 36331648968641 in words is "thirty-six trillion, three hundred thirty-one billion, six hundred forty-eight million, nine hundred sixty-eight thousand, six hundred forty-one".