14427427457 has 4 divisors (see below), whose sum is σ = 14541029376. Its totient is φ = 14313825540.

The previous prime is 14427427429. The next prime is 14427427463. The reversal of 14427427457 is 75472472441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75472472441 = 8831 ⋅8546311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14427427457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14427427657) 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, 56800769 + ... + 56801022.

It is an arithmetic number, because the mean of its divisors is an integer number (3635257344).

Almost surely, 2^14427427457 is an apocalyptic number.

It is an amenable number.

14427427457 is a deficient number, since it is larger than the sum of its proper divisors (113601919).

14427427457 is a wasteful number, since it uses less digits than its factorization.

14427427457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113601918.

The product of its digits is 1756160, while the sum is 47.

Adding to 14427427457 its reverse (75472472441), we get a palindrome (89899899898).

The spelling of 14427427457 in words is "fourteen billion, four hundred twenty-seven million, four hundred twenty-seven thousand, four hundred fifty-seven".