21341233396 has 24 divisors (see below), whose sum is σ = 42707772800. Its totient is φ = 9140820192.

The previous prime is 21341233391. The next prime is 21341233457. The reversal of 21341233396 is 69333214312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341233391) 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, 177696 + ... + 272503.

Almost surely, 2^21341233396 is an apocalyptic number.

It is an amenable number.

21341233396 is an abundant number, since it is smaller than the sum of its proper divisors (21366539404).

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

21341233396 is a wasteful number, since it uses less digits than its factorization.

21341233396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451903 (or 451901 counting only the distinct ones).

The product of its digits is 69984, while the sum is 37.

The spelling of 21341233396 in words is "twenty-one billion, three hundred forty-one million, two hundred thirty-three thousand, three hundred ninety-six".