21714426099 has 24 divisors (see below), whose sum is σ = 31456303632. Its totient is φ = 14434338240.

The previous prime is 21714426031. The next prime is 21714426103. The reversal of 21714426099 is 99062441712.

21714426099 is a `hidden beast` number, since 21 + 7 + 14 + 4 + 2 + 609 + 9 = 666.

It is not a de Polignac number, because 21714426099 - 2⁹ = 21714425587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21714416099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6078984 + ... + 6082554.

It is an arithmetic number, because the mean of its divisors is an integer number (1310679318).

Almost surely, 2^21714426099 is an apocalyptic number.

21714426099 is a deficient number, since it is larger than the sum of its proper divisors (9741877533).

21714426099 is a wasteful number, since it uses less digits than its factorization.

21714426099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347 (or 5344 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 21714426099 in words is "twenty-one billion, seven hundred fourteen million, four hundred twenty-six thousand, ninety-nine".