14221357028563 has 4 divisors (see below), whose sum is σ = 14221711036360. Its totient is φ = 14221003020768.

The previous prime is 14221357028519. The next prime is 14221357028573. The reversal of 14221357028563 is 36582075312241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221357028563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14221357028573) 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, 176943633 + ... + 177023986.

It is an arithmetic number, because the mean of its divisors is an integer number (3555427759090).

Almost surely, 2^{14221357028563} is an apocalyptic number.

14221357028563 is a deficient number, since it is larger than the sum of its proper divisors (354007797).

14221357028563 is an equidigital number, since it uses as much as digits as its factorization.

14221357028563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354007796.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 14221357028563 in words is "fourteen trillion, two hundred twenty-one billion, three hundred fifty-seven million, twenty-eight thousand, five hundred sixty-three".