14089829721 has 32 divisors (see below), whose sum is σ = 21711369600. Its totient is φ = 8032711680.

The previous prime is 14089829671. The next prime is 14089829773. The reversal of 14089829721 is 12792898041.

It is a happy number.

It is not a de Polignac number, because 14089829721 - 2²³ = 14081441113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (14089829021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1267375 + ... + 1278443.

It is an arithmetic number, because the mean of its divisors is an integer number (678480300).

Almost surely, 2^14089829721 is an apocalyptic number.

14089829721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14089829721 is a deficient number, since it is larger than the sum of its proper divisors (7621539879).

14089829721 is a wasteful number, since it uses less digits than its factorization.

14089829721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13369.

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 14089829721 in words is "fourteen billion, eighty-nine million, eight hundred twenty-nine thousand, seven hundred twenty-one".