14428657865857 has 4 divisors (see below), whose sum is σ = 14428672819200. Its totient is φ = 14428642912516.

The previous prime is 14428657865819. The next prime is 14428657865873. The reversal of 14428657865857 is 75856875682441.

14428657865857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14428657865857 - 2¹⁹ = 14428657341569 is a prime.

It is a super-3 number, since 3×14428657865857³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14428657865807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5921473 + ... + 7995070.

It is an arithmetic number, because the mean of its divisors is an integer number (3607168204800).

Almost surely, 2^{14428657865857} is an apocalyptic number.

It is an amenable number.

14428657865857 is a deficient number, since it is larger than the sum of its proper divisors (14953343).

14428657865857 is a wasteful number, since it uses less digits than its factorization.

14428657865857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14953342.

The product of its digits is 3612672000, while the sum is 76.

The spelling of 14428657865857 in words is "fourteen trillion, four hundred twenty-eight billion, six hundred fifty-seven million, eight hundred sixty-five thousand, eight hundred fifty-seven".