33440134989 has 4 divisors (see below), whose sum is σ = 44586846656. Its totient is φ = 22293423324.

The previous prime is 33440134939. The next prime is 33440135051. The reversal of 33440134989 is 98943104433.

It is a happy number.

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 not a de Polignac number, because 33440134989 - 2²¹ = 33438037837 is a prime.

It is a super-2 number, since 2×33440134989² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33440134939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573355829 + ... + 5573355834.

It is an arithmetic number, because the mean of its divisors is an integer number (11146711664).

Almost surely, 2^33440134989 is an apocalyptic number.

It is an amenable number.

33440134989 is a deficient number, since it is larger than the sum of its proper divisors (11146711667).

33440134989 is a wasteful number, since it uses less digits than its factorization.

33440134989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11146711666.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 33440134989 in words is "thirty-three billion, four hundred forty million, one hundred thirty-four thousand, nine hundred eighty-nine".