33640226353 has 4 divisors (see below), whose sum is σ = 33642008640. Its totient is φ = 33638444068.

The previous prime is 33640226341. The next prime is 33640226369. The reversal of 33640226353 is 35362204633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33640226353 is a prime.

It is a super-2 number, since 2×33640226353² (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 (33640224353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862525 + ... + 900682.

It is an arithmetic number, because the mean of its divisors is an integer number (8410502160).

Almost surely, 2^33640226353 is an apocalyptic number.

It is an amenable number.

33640226353 is a deficient number, since it is larger than the sum of its proper divisors (1782287).

33640226353 is a wasteful number, since it uses less digits than its factorization.

33640226353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782286.

The product of its (nonzero) digits is 233280, while the sum is 37.

The spelling of 33640226353 in words is "thirty-three billion, six hundred forty million, two hundred twenty-six thousand, three hundred fifty-three".