14315727412781 has 4 divisors (see below), whose sum is σ = 14348042824992. Its totient is φ = 14283412000572.

The previous prime is 14315727412751. The next prime is 14315727412807. The reversal of 14315727412781 is 18721472751341.

14315727412781 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 a de Polignac number, because none of the positive numbers 2^k-14315727412781 is a prime.

It is a super-2 number, since 2×14315727412781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14315727412751) 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, 16157705441 + ... + 16157706326.

It is an arithmetic number, because the mean of its divisors is an integer number (3587010706248).

Almost surely, 2^{14315727412781} is an apocalyptic number.

It is an amenable number.

14315727412781 is a deficient number, since it is larger than the sum of its proper divisors (32315412211).

14315727412781 is an equidigital number, since it uses as much as digits as its factorization.

14315727412781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32315412210.

The product of its digits is 2634240, while the sum is 53.

The spelling of 14315727412781 in words is "fourteen trillion, three hundred fifteen billion, seven hundred twenty-seven million, four hundred twelve thousand, seven hundred eighty-one".