33190490633 has 4 divisors (see below), whose sum is σ = 34334990340. Its totient is φ = 32045990928.

The previous prime is 33190490623. The next prime is 33190490639. The reversal of 33190490633 is 33609409133.

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 28234753024 + 4955737609 = 168032^2 + 70397^2 .

It is a cyclic number.

It is not a de Polignac number, because 33190490633 - 2²⁶ = 33123381769 is a prime.

It is a super-2 number, since 2×33190490633² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33190490639) 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, 572249810 + ... + 572249867.

It is an arithmetic number, because the mean of its divisors is an integer number (8583747585).

Almost surely, 2^33190490633 is an apocalyptic number.

It is an amenable number.

33190490633 is a deficient number, since it is larger than the sum of its proper divisors (1144499707).

33190490633 is a wasteful number, since it uses less digits than its factorization.

33190490633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144499706.

The product of its (nonzero) digits is 157464, while the sum is 41.

Adding to 33190490633 its reverse (33609409133), we get a palindrome (66799899766).

The spelling of 33190490633 in words is "thirty-three billion, one hundred ninety million, four hundred ninety thousand, six hundred thirty-three".