33934623389 has 32 divisors (see below), whose sum is σ = 37160757504. Its totient is φ = 30866734080.

The previous prime is 33934623379. The next prime is 33934623421. The reversal of 33934623389 is 98332643933.

It is not a de Polignac number, because 33934623389 - 2¹² = 33934619293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 33934623389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33934623379) 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 31 ways as a sum of consecutive naturals, for example, 19580567 + ... + 19582299.

It is an arithmetic number, because the mean of its divisors is an integer number (1161273672).

Almost surely, 2^33934623389 is an apocalyptic number.

It is an amenable number.

33934623389 is a deficient number, since it is larger than the sum of its proper divisors (3226134115).

33934623389 is a wasteful number, since it uses less digits than its factorization.

33934623389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117.

The product of its digits is 7558272, while the sum is 53.

The spelling of 33934623389 in words is "thirty-three billion, nine hundred thirty-four million, six hundred twenty-three thousand, three hundred eighty-nine".