33450560641 has 4 divisors (see below), whose sum is σ = 33450926512. Its totient is φ = 33450194772.

The previous prime is 33450560639. The next prime is 33450560681. The reversal of 33450560641 is 14606505433.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33450560641 - 2¹ = 33450560639 is a prime.

It is a super-2 number, since 2×33450560641² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33450560641.

It is not an unprimeable number, because it can be changed into a prime (33450560681) 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 3 ways as a sum of consecutive naturals, for example, 85726 + ... + 272488.

It is an arithmetic number, because the mean of its divisors is an integer number (8362731628).

Almost surely, 2^33450560641 is an apocalyptic number.

It is an amenable number.

33450560641 is a deficient number, since it is larger than the sum of its proper divisors (365871).

33450560641 is a wasteful number, since it uses less digits than its factorization.

33450560641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365870.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 33450560641 in words is "thirty-three billion, four hundred fifty million, five hundred sixty thousand, six hundred forty-one".