14640076505 has 4 divisors (see below), whose sum is σ = 17568091812. Its totient is φ = 11712061200.

The previous prime is 14640076447. The next prime is 14640076537. The reversal of 14640076505 is 50567004641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50567004641 = 3911 ⋅12929431.

It can be written as a sum of positive squares in 2 ways, for example, as 11635721161 + 3004355344 = 107869^2 + 54812^2 .

It is not a de Polignac number, because 14640076505 - 2⁸ = 14640076249 is a prime.

It is a Duffinian 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, 1464007646 + ... + 1464007655.

It is an arithmetic number, because the mean of its divisors is an integer number (4392022953).

Almost surely, 2^14640076505 is an apocalyptic number.

It is an amenable number.

14640076505 is a deficient number, since it is larger than the sum of its proper divisors (2928015307).

14640076505 is an equidigital number, since it uses as much as digits as its factorization.

14640076505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928015306.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 14640076505 in words is "fourteen billion, six hundred forty million, seventy-six thousand, five hundred five".