14154783721 has 8 divisors (see below), whose sum is σ = 15458313024. Its totient is φ = 12881925840.

The previous prime is 14154783719. The next prime is 14154783757. The reversal of 14154783721 is 12738745141.

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

It is a cyclic number.

It is not a de Polignac number, because 14154783721 - 2¹ = 14154783719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14154783701) 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, 7666891 + ... + 7668736.

It is an arithmetic number, because the mean of its divisors is an integer number (1932289128).

Almost surely, 2^14154783721 is an apocalyptic number.

It is an amenable number.

14154783721 is a deficient number, since it is larger than the sum of its proper divisors (1303529303).

14154783721 is a wasteful number, since it uses less digits than its factorization.

14154783721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15335711.

The product of its digits is 188160, while the sum is 43.

The spelling of 14154783721 in words is "fourteen billion, one hundred fifty-four million, seven hundred eighty-three thousand, seven hundred twenty-one".