33051304421 has 16 divisors (see below), whose sum is σ = 34231680000. Its totient is φ = 31892425968.

The previous prime is 33051304393. The next prime is 33051304423. The reversal of 33051304421 is 12440315033.

It is a de Polignac number, because none of the positive numbers 2^k-33051304421 is a prime.

It is a super-2 number, since 2×33051304421² (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 (33051304423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1938110 + ... + 1955088.

It is an arithmetic number, because the mean of its divisors is an integer number (2139480000).

Almost surely, 2^33051304421 is an apocalyptic number.

It is an amenable number.

33051304421 is a deficient number, since it is larger than the sum of its proper divisors (1180375579).

33051304421 is a wasteful number, since it uses less digits than its factorization.

33051304421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17608.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 33051304421 its reverse (12440315033), we get a palindrome (45491619454).

The spelling of 33051304421 in words is "thirty-three billion, fifty-one million, three hundred four thousand, four hundred twenty-one".