33421634645 has 16 divisors (see below), whose sum is σ = 45852597120. Its totient is φ = 22909086144.

The previous prime is 33421634633. The next prime is 33421634663. The reversal of 33421634645 is 54643612433.

It is not a de Polignac number, because 33421634645 - 2¹⁰ = 33421633621 is a prime.

It is a super-2 number, since 2×33421634645² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 84050 + ... + 271859.

It is an arithmetic number, because the mean of its divisors is an integer number (2865787320).

Almost surely, 2^33421634645 is an apocalyptic number.

33421634645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33421634645 is a deficient number, since it is larger than the sum of its proper divisors (12430962475).

33421634645 is a wasteful number, since it uses less digits than its factorization.

33421634645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358604.

The product of its digits is 622080, while the sum is 41.

The spelling of 33421634645 in words is "thirty-three billion, four hundred twenty-one million, six hundred thirty-four thousand, six hundred forty-five".