14005350021 has 32 divisors (see below), whose sum is σ = 20417709312. Its totient is φ = 8487198720.

The previous prime is 14005350019. The next prime is 14005350143. The reversal of 14005350021 is 12005350041.

It is not a de Polignac number, because 14005350021 - 2¹ = 14005350019 is a prime.

It is a super-2 number, since 2×14005350021² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14005350021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14005357021) 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, 2802501 + ... + 2807493.

It is an arithmetic number, because the mean of its divisors is an integer number (638053416).

Almost surely, 2^14005350021 is an apocalyptic number.

It is an amenable number.

14005350021 is a deficient number, since it is larger than the sum of its proper divisors (6412359291).

14005350021 is a wasteful number, since it uses less digits than its factorization.

14005350021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6093.

The product of its (nonzero) digits is 600, while the sum is 21.

The spelling of 14005350021 in words is "fourteen billion, five million, three hundred fifty thousand, twenty-one".