21433714635 has 8 divisors (see below), whose sum is σ = 34293943440. Its totient is φ = 11431314464.

The previous prime is 21433714633. The next prime is 21433714637. The reversal of 21433714635 is 53641733412.

It is an interprime number because it is at equal distance from previous prime (21433714633) and next prime (21433714637).

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 21433714635 - 2¹ = 21433714633 is a prime.

It is a super-2 number, since 2×21433714635² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21433714593 and 21433714602.

It is not an unprimeable number, because it can be changed into a prime (21433714633) 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, 714457140 + ... + 714457169.

It is an arithmetic number, because the mean of its divisors is an integer number (4286742930).

Almost surely, 2^21433714635 is an apocalyptic number.

21433714635 is a deficient number, since it is larger than the sum of its proper divisors (12860228805).

21433714635 is a wasteful number, since it uses less digits than its factorization.

21433714635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428914317.

The product of its digits is 181440, while the sum is 39.

The spelling of 21433714635 in words is "twenty-one billion, four hundred thirty-three million, seven hundred fourteen thousand, six hundred thirty-five".