14506561464709 has 4 divisors (see below), whose sum is σ = 15137281528416. Its totient is φ = 13875841401004.

The previous prime is 14506561464691. The next prime is 14506561464737. The reversal of 14506561464709 is 90746416560541.

It is a happy number.

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 14506561464709 - 2²⁷ = 14506427246981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14506568464709) 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, 315360031819 + ... + 315360031864.

It is an arithmetic number, because the mean of its divisors is an integer number (3784320382104).

Almost surely, 2^{14506561464709} is an apocalyptic number.

It is an amenable number.

14506561464709 is a deficient number, since it is larger than the sum of its proper divisors (630720063707).

14506561464709 is an equidigital number, since it uses as much as digits as its factorization.

14506561464709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630720063706.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 14506561464709 in words is "fourteen trillion, five hundred six billion, five hundred sixty-one million, four hundred sixty-four thousand, seven hundred nine".