33132002421 has 8 divisors (see below), whose sum is σ = 50486860864. Its totient is φ = 18932572800.

The previous prime is 33132002411. The next prime is 33132002429. The reversal of 33132002421 is 12420023133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33132002421 - 2¹¹ = 33132000373 is a prime.

It is a super-2 number, since 2×33132002421² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1577714401 = 33132002421 / (3 + 3 + 1 + 3 + 2 + 0 + 0 + 2 + 4 + 2 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33132002429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788857180 + ... + 788857221.

It is an arithmetic number, because the mean of its divisors is an integer number (6310857608).

Almost surely, 2^33132002421 is an apocalyptic number.

It is an amenable number.

33132002421 is a deficient number, since it is larger than the sum of its proper divisors (17354858443).

33132002421 is a wasteful number, since it uses less digits than its factorization.

33132002421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577714411.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 33132002421 its reverse (12420023133), we get a palindrome (45552025554).

The spelling of 33132002421 in words is "thirty-three billion, one hundred thirty-two million, two thousand, four hundred twenty-one".