33421013043402 has 16 divisors (see below), whose sum is σ = 66842119612800. Its totient is φ = 11140322093472.

The previous prime is 33421013043401. The next prime is 33421013043449. The reversal of 33421013043402 is 20434031012433.

It is a happy number.

It is a super-2 number, since 2×33421013043402² (a number of 28 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 33421013043402.

It is not an unprimeable number, because it can be changed into a prime (33421013043401) 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, 1276974 + ... + 8274822.

It is an arithmetic number, because the mean of its divisors is an integer number (4177632475800).

Almost surely, 2^{33421013043402} is an apocalyptic number.

33421013043402 is an abundant number, since it is smaller than the sum of its proper divisors (33421106569398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33421013043402 is a wasteful number, since it uses less digits than its factorization.

33421013043402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793837.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 33421013043402 its reverse (20434031012433), we get a palindrome (53855044055835).

The spelling of 33421013043402 in words is "thirty-three trillion, four hundred twenty-one billion, thirteen million, forty-three thousand, four hundred two".