13878254201 has 4 divisors (see below), whose sum is σ = 15860861952. Its totient is φ = 11895646452.

The previous prime is 13878254179. The next prime is 13878254263. The reversal of 13878254201 is 10245287831.

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 a de Polignac number, because none of the positive numbers 2^k-13878254201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13878254281) 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, 991303865 + ... + 991303878.

It is an arithmetic number, because the mean of its divisors is an integer number (3965215488).

Almost surely, 2^13878254201 is an apocalyptic number.

It is an amenable number.

13878254201 is a deficient number, since it is larger than the sum of its proper divisors (1982607751).

13878254201 is an equidigital number, since it uses as much as digits as its factorization.

13878254201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982607750.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 13878254201 in words is "thirteen billion, eight hundred seventy-eight million, two hundred fifty-four thousand, two hundred one".