13489366678 has 4 divisors (see below), whose sum is σ = 20234050020. Its totient is φ = 6744683338.

The previous prime is 13489366651. The next prime is 13489366687. The reversal of 13489366678 is 87666398431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87666398431 = 569 ⋅154070999.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3372341668 + ... + 3372341671.

It is an arithmetic number, because the mean of its divisors is an integer number (5058512505).

Almost surely, 2^13489366678 is an apocalyptic number.

13489366678 is a deficient number, since it is larger than the sum of its proper divisors (6744683342).

13489366678 is an equidigital number, since it uses as much as digits as its factorization.

13489366678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744683341.

The product of its digits is 31352832, while the sum is 61.

The spelling of 13489366678 in words is "thirteen billion, four hundred eighty-nine million, three hundred sixty-six thousand, six hundred seventy-eight".