13478368901 has 4 divisors (see below), whose sum is σ = 13479186912. Its totient is φ = 13477550892.

The previous prime is 13478368879. The next prime is 13478368907. The reversal of 13478368901 is 10986387431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10986387431 = 283 ⋅38821157.

It is a cyclic number.

It is not a de Polignac number, because 13478368901 - 2³⁰ = 12404627077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13478368901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13478368907) 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, 383771 + ... + 417416.

It is an arithmetic number, because the mean of its divisors is an integer number (3369796728).

Almost surely, 2^13478368901 is an apocalyptic number.

It is an amenable number.

13478368901 is a deficient number, since it is larger than the sum of its proper divisors (818011).

13478368901 is an equidigital number, since it uses as much as digits as its factorization.

13478368901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818010.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 13478368901 in words is "thirteen billion, four hundred seventy-eight million, three hundred sixty-eight thousand, nine hundred one".