13857843601 has 4 divisors (see below), whose sum is σ = 15837535552. Its totient is φ = 11878151652.

The previous prime is 13857843589. The next prime is 13857843617. The reversal of 13857843601 is 10634875831.

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 not a de Polignac number, because 13857843601 - 2⁵ = 13857843569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13857843631) 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, 989845965 + ... + 989845978.

It is an arithmetic number, because the mean of its divisors is an integer number (3959383888).

Almost surely, 2^13857843601 is an apocalyptic number.

It is an amenable number.

13857843601 is a deficient number, since it is larger than the sum of its proper divisors (1979691951).

13857843601 is an equidigital number, since it uses as much as digits as its factorization.

13857843601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979691950.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 13857843601 in words is "thirteen billion, eight hundred fifty-seven million, eight hundred forty-three thousand, six hundred one".