33000000000001 has 4 divisors (see below), whose sum is σ = 33000086265172. Its totient is φ = 32999913734832.

The previous prime is 32999999999951. The next prime is 33000000000043. The reversal of 33000000000001 is 10000000000033.

It is a happy number.

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 3110817590001 + 29889182410000 = 1763751^2 + 5467100^2 .

It is a cyclic number.

It is not a de Polignac number, because 33000000000001 - 2¹¹ = 32999999997953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32999999999894 and 32999999999903.

It is not an unprimeable number, because it can be changed into a prime (33000000000061) 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, 42556206 + ... + 43324711.

It is an arithmetic number, because the mean of its divisors is an integer number (8250021566293).

Almost surely, 2^{33000000000001} is an apocalyptic number.

It is an amenable number.

33000000000001 is a deficient number, since it is larger than the sum of its proper divisors (86265171).

33000000000001 is an equidigital number, since it uses as much as digits as its factorization.

33000000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86265170.

The product of its (nonzero) digits is 9, while the sum is 7.

Adding to 33000000000001 its reverse (10000000000033), we get a palindrome (43000000000034).

The spelling of 33000000000001 in words is "thirty-three trillion, one", and thus it is an aban number and an uban number.