13857264621393 has 8 divisors (see below), whose sum is σ = 18479182744800. Its totient is φ = 9236761456128.

The previous prime is 13857264621383. The next prime is 13857264621481. The reversal of 13857264621393 is 39312646275831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13857264621393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13857264621313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353716683 + ... + 353755856.

It is an arithmetic number, because the mean of its divisors is an integer number (2309897843100).

Almost surely, 2^{13857264621393} is an apocalyptic number.

It is an amenable number.

13857264621393 is a deficient number, since it is larger than the sum of its proper divisors (4621918123407).

13857264621393 is an equidigital number, since it uses as much as digits as its factorization.

13857264621393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707479071.

The product of its digits is 39191040, while the sum is 60.

The spelling of 13857264621393 in words is "thirteen trillion, eight hundred fifty-seven billion, two hundred sixty-four million, six hundred twenty-one thousand, three hundred ninety-three".