13044669658 has 8 divisors (see below), whose sum is σ = 19786858740. Its totient is φ = 6449050080.

The previous prime is 13044669647. The next prime is 13044669739. The reversal of 13044669658 is 85696644031.

It is a happy number.

13044669658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12935195289 + 109474369 = 113733^2 + 10463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36642153 + ... + 36642508.

Almost surely, 2^13044669658 is an apocalyptic number.

13044669658 is a deficient number, since it is larger than the sum of its proper divisors (6742189082).

13044669658 is an equidigital number, since it uses as much as digits as its factorization.

13044669658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73284752.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 13044669658 in words is "thirteen billion, forty-four million, six hundred sixty-nine thousand, six hundred fifty-eight".