14881675649 has 4 divisors (see below), whose sum is σ = 15162462036. Its totient is φ = 14600889264.

The previous prime is 14881675619. The next prime is 14881675663. The reversal of 14881675649 is 94657618841.

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 11312449600 + 3569226049 = 106360^2 + 59743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14881675649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14881675619) 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, 140393114 + ... + 140393219.

It is an arithmetic number, because the mean of its divisors is an integer number (3790615509).

Almost surely, 2^14881675649 is an apocalyptic number.

It is an amenable number.

14881675649 is a deficient number, since it is larger than the sum of its proper divisors (280786387).

14881675649 is an equidigital number, since it uses as much as digits as its factorization.

14881675649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280786386.

The product of its digits is 11612160, while the sum is 59.

The spelling of 14881675649 in words is "fourteen billion, eight hundred eighty-one million, six hundred seventy-five thousand, six hundred forty-nine".