14891456553 has 4 divisors (see below), whose sum is σ = 19855275408. Its totient is φ = 9927637700.

The previous prime is 14891456509. The next prime is 14891456557. The reversal of 14891456553 is 35565419841.

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 14891456553 - 2¹⁷ = 14891325481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14891456496 and 14891456505.

It is not an unprimeable number, because it can be changed into a prime (14891456557) 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, 2481909423 + ... + 2481909428.

It is an arithmetic number, because the mean of its divisors is an integer number (4963818852).

Almost surely, 2^14891456553 is an apocalyptic number.

It is an amenable number.

14891456553 is a deficient number, since it is larger than the sum of its proper divisors (4963818855).

14891456553 is an equidigital number, since it uses as much as digits as its factorization.

14891456553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963818854.

The product of its digits is 2592000, while the sum is 51.

The spelling of 14891456553 in words is "fourteen billion, eight hundred ninety-one million, four hundred fifty-six thousand, five hundred fifty-three".