14387614805 has 4 divisors (see below), whose sum is σ = 17265137772. Its totient is φ = 11510091840.

The previous prime is 14387614793. The next prime is 14387614819. The reversal of 14387614805 is 50841678341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10568251204 + 3819363601 = 102802^2 + 61801^2 .

It is not a de Polignac number, because 14387614805 - 2⁴ = 14387614789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14387614805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438761476 + ... + 1438761485.

It is an arithmetic number, because the mean of its divisors is an integer number (4316284443).

Almost surely, 2^14387614805 is an apocalyptic number.

It is an amenable number.

14387614805 is a deficient number, since it is larger than the sum of its proper divisors (2877522967).

14387614805 is an equidigital number, since it uses as much as digits as its factorization.

14387614805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2877522966.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 14387614805 in words is "fourteen billion, three hundred eighty-seven million, six hundred fourteen thousand, eight hundred five".