14056815021 has 8 divisors (see below), whose sum is σ = 18917583264. Its totient is φ = 9283628400.

The previous prime is 14056815013. The next prime is 14056815053. The reversal of 14056815021 is 12051865041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14056815021 - 2³ = 14056815013 is a prime.

It is a super-2 number, since 2×14056815021² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14056815001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21895030 + ... + 21895671.

It is an arithmetic number, because the mean of its divisors is an integer number (2364697908).

Almost surely, 2^14056815021 is an apocalyptic number.

It is an amenable number.

14056815021 is a deficient number, since it is larger than the sum of its proper divisors (4860768243).

14056815021 is a wasteful number, since it uses less digits than its factorization.

14056815021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43790811.

The product of its (nonzero) digits is 9600, while the sum is 33.

The spelling of 14056815021 in words is "fourteen billion, fifty-six million, eight hundred fifteen thousand, twenty-one".