21012433199633 has 8 divisors (see below), whose sum is σ = 21371207248800. Its totient is φ = 20653746854368.

The previous prime is 21012433199629. The next prime is 21012433199663. The reversal of 21012433199633 is 33699133421012.

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

It is a cyclic number.

It is not a de Polignac number, because 21012433199633 - 2² = 21012433199629 is a prime.

It is a super-2 number, since 2×21012433199633² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21012433199663) 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, 21442628 + ... + 22401141.

It is an arithmetic number, because the mean of its divisors is an integer number (2671400906100).

Almost surely, 2^{21012433199633} is an apocalyptic number.

It is an amenable number.

21012433199633 is a deficient number, since it is larger than the sum of its proper divisors (358774049167).

21012433199633 is an equidigital number, since it uses as much as digits as its factorization.

21012433199633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43851951.

The product of its (nonzero) digits is 629856, while the sum is 47.

The spelling of 21012433199633 in words is "twenty-one trillion, twelve billion, four hundred thirty-three million, one hundred ninety-nine thousand, six hundred thirty-three".