33420434099 has 16 divisors (see below), whose sum is σ = 37103999520. Its totient is φ = 29905424640.

The previous prime is 33420434041. The next prime is 33420434153. The reversal of 33420434099 is 99043402433.

It is a de Polignac number, because none of the positive numbers 2^k-33420434099 is a prime.

It is a super-2 number, since 2×33420434099² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33420634099) 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 15 ways as a sum of consecutive naturals, for example, 116009 + ... + 283370.

It is an arithmetic number, because the mean of its divisors is an integer number (2318999970).

Almost surely, 2^33420434099 is an apocalyptic number.

33420434099 is a deficient number, since it is larger than the sum of its proper divisors (3683565421).

33420434099 is a wasteful number, since it uses less digits than its factorization.

33420434099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399590.

The product of its (nonzero) digits is 279936, while the sum is 41.

The spelling of 33420434099 in words is "thirty-three billion, four hundred twenty million, four hundred thirty-four thousand, ninety-nine".