13861288838 has 4 divisors (see below), whose sum is σ = 20791933260. Its totient is φ = 6930644418.

The previous prime is 13861288811. The next prime is 13861288843. The reversal of 13861288838 is 83888216831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83888216831 = 163 ⋅514651637.

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, 3465322208 + ... + 3465322211.

It is an arithmetic number, because the mean of its divisors is an integer number (5197983315).

Almost surely, 2^13861288838 is an apocalyptic number.

13861288838 is a deficient number, since it is larger than the sum of its proper divisors (6930644422).

13861288838 is an equidigital number, since it uses as much as digits as its factorization.

13861288838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930644421.

The product of its digits is 3538944, while the sum is 56.

The spelling of 13861288838 in words is "thirteen billion, eight hundred sixty-one million, two hundred eighty-eight thousand, eight hundred thirty-eight".