33744344421 has 16 divisors (see below), whose sum is σ = 45424450944. Its totient is φ = 22280530944.

The previous prime is 33744344411. The next prime is 33744344437. The reversal of 33744344421 is 12444344733.

It is not a de Polignac number, because 33744344421 - 2²² = 33740150117 is a prime.

It is a super-2 number, since 2×33744344421² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33744344421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33744344401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427005 + ... + 499821.

It is an arithmetic number, because the mean of its divisors is an integer number (2839028184).

Almost surely, 2^33744344421 is an apocalyptic number.

It is an amenable number.

33744344421 is a deficient number, since it is larger than the sum of its proper divisors (11680106523).

33744344421 is a wasteful number, since it uses less digits than its factorization.

33744344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74300.

The product of its digits is 387072, while the sum is 39.

The spelling of 33744344421 in words is "thirty-three billion, seven hundred forty-four million, three hundred forty-four thousand, four hundred twenty-one".