33244412421 has 32 divisors (see below), whose sum is σ = 51374966400. Its totient is φ = 18927578880.

The previous prime is 33244412417. The next prime is 33244412437. The reversal of 33244412421 is 12421444233.

It is not a de Polignac number, because 33244412421 - 2² = 33244412417 is a prime.

It is a super-2 number, since 2×33244412421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33244412821) 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, 434026 + ... + 504843.

It is an arithmetic number, because the mean of its divisors is an integer number (1605467700).

Almost surely, 2^33244412421 is an apocalyptic number.

It is an amenable number.

33244412421 is a deficient number, since it is larger than the sum of its proper divisors (18130553979).

33244412421 is a wasteful number, since it uses less digits than its factorization.

33244412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938949.

The product of its digits is 18432, while the sum is 30.

Adding to 33244412421 its reverse (12421444233), we get a palindrome (45665856654).

It can be divided in two parts, 332444 and 12421, that added together give a triangular number (344865 = T₈₃₀).

The spelling of 33244412421 in words is "thirty-three billion, two hundred forty-four million, four hundred twelve thousand, four hundred twenty-one".