21430714099 has 6 divisors (see below), whose sum is σ = 22618011660. Its totient is φ = 20302781436.

The previous prime is 21430714079. The next prime is 21430714103. The reversal of 21430714099 is 99041703412.

It is not a de Polignac number, because 21430714099 - 2¹⁹ = 21430189811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21430714049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29682069 + ... + 29682790.

It is an arithmetic number, because the mean of its divisors is an integer number (3769668610).

Almost surely, 2^21430714099 is an apocalyptic number.

21430714099 is a deficient number, since it is larger than the sum of its proper divisors (1187297561).

21430714099 is an equidigital number, since it uses as much as digits as its factorization.

21430714099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59364897 (or 59364878 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 21430714099 in words is "twenty-one billion, four hundred thirty million, seven hundred fourteen thousand, ninety-nine".