33401410021 has 12 divisors (see below), whose sum is σ = 38862180480. Its totient is φ = 28624269240.

The previous prime is 33401410019. The next prime is 33401410027. The reversal of 33401410021 is 12001410433.

It is not a de Polignac number, because 33401410021 - 2¹ = 33401410019 is a prime.

It is a super-2 number, since 2×33401410021² (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 (33401410027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202636 + ... + 328426.

It is an arithmetic number, because the mean of its divisors is an integer number (3238515040).

Almost surely, 2^33401410021 is an apocalyptic number.

It is an amenable number.

33401410021 is a deficient number, since it is larger than the sum of its proper divisors (5460770459).

33401410021 is a wasteful number, since it uses less digits than its factorization.

33401410021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131224 (or 131217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 33401410021 its reverse (12001410433), we get a palindrome (45402820454).

It can be divided in two parts, 334014 and 10021, that added together give a triangular number (344035 = T₈₂₉).

The spelling of 33401410021 in words is "thirty-three billion, four hundred one million, four hundred ten thousand, twenty-one".