13381800357 has 4 divisors (see below), whose sum is σ = 17842400480. Its totient is φ = 8921200236.

The previous prime is 13381800353. The next prime is 13381800391. The reversal of 13381800357 is 75300818331.

13381800357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 75300818331 = 3 ⋅25100272777.

It is not a de Polignac number, because 13381800357 - 2² = 13381800353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13381800353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230300057 + ... + 2230300062.

It is an arithmetic number, because the mean of its divisors is an integer number (4460600120).

Almost surely, 2^13381800357 is an apocalyptic number.

It is an amenable number.

13381800357 is a deficient number, since it is larger than the sum of its proper divisors (4460600123).

13381800357 is an equidigital number, since it uses as much as digits as its factorization.

13381800357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4460600122.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 13381800357 in words is "thirteen billion, three hundred eighty-one million, eight hundred thousand, three hundred fifty-seven".