32993140380818 has 18 divisors (see below), whose sum is σ = 49627304034399. Its totient is φ = 16450832546592.

The previous prime is 32993140380779. The next prime is 32993140380833. The reversal of 32993140380818 is 81808304139923.

It can be written as a sum of positive squares in 5 ways, for example, as 1571655873649 + 31421484507169 = 1253657^2 + 5605487^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=4061597.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3029945918 + ... + 3029956806.

Almost surely, 2^{32993140380818} is an apocalyptic number.

32993140380818 is a deficient number, since it is larger than the sum of its proper divisors (16634163653581).

32993140380818 is an frugal number, since it uses more digits than its factorization.

32993140380818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526 (or 11264 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 32993140380818 in words is "thirty-two trillion, nine hundred ninety-three billion, one hundred forty million, three hundred eighty thousand, eight hundred eighteen".