36613040021 has 8 divisors (see below), whose sum is σ = 37469313024. Its totient is φ = 35756985600.

The previous prime is 36613040003. The next prime is 36613040027. The reversal of 36613040021 is 12004031663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36613040021 is a prime.

It is a super-3 number, since 3×36613040021³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36613040027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312821 + ... + 413621.

It is an arithmetic number, because the mean of its divisors is an integer number (4683664128).

Almost surely, 2^36613040021 is an apocalyptic number.

It is an amenable number.

36613040021 is a deficient number, since it is larger than the sum of its proper divisors (856273003).

36613040021 is a wasteful number, since it uses less digits than its factorization.

36613040021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109291.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 36613040021 its reverse (12004031663), we get a palindrome (48617071684).

The spelling of 36613040021 in words is "thirty-six billion, six hundred thirteen million, forty thousand, twenty-one".