21214036532699 has 4 divisors (see below), whose sum is σ = 21214655034000. Its totient is φ = 21213418031400.

The previous prime is 21214036532651. The next prime is 21214036532719. The reversal of 21214036532699 is 99623563041212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214036532699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21214036532699.

It is not an unprimeable number, because it can be changed into a prime (21214036532399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309199199 + ... + 309267800.

It is an arithmetic number, because the mean of its divisors is an integer number (5303663758500).

Almost surely, 2^{21214036532699} is an apocalyptic number.

21214036532699 is a deficient number, since it is larger than the sum of its proper divisors (618501301).

21214036532699 is an equidigital number, since it uses as much as digits as its factorization.

21214036532699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618501300.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 21214036532699 in words is "twenty-one trillion, two hundred fourteen billion, thirty-six million, five hundred thirty-two thousand, six hundred ninety-nine".