13355423993 has 4 divisors (see below), whose sum is σ = 13451506320. Its totient is φ = 13259341668.

The previous prime is 13355423989. The next prime is 13355424023. The reversal of 13355423993 is 39932455331.

13355423993 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: 39932455331 = 78017 ⋅511843.

It is a cyclic number.

It is not a de Polignac number, because 13355423993 - 2² = 13355423989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13355426993) 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, 48040955 + ... + 48041232.

It is an arithmetic number, because the mean of its divisors is an integer number (3362876580).

Almost surely, 2^13355423993 is an apocalyptic number.

It is an amenable number.

13355423993 is a deficient number, since it is larger than the sum of its proper divisors (96082327).

13355423993 is an equidigital number, since it uses as much as digits as its factorization.

13355423993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96082326.

The product of its digits is 1312200, while the sum is 47.

The spelling of 13355423993 in words is "thirteen billion, three hundred fifty-five million, four hundred twenty-three thousand, nine hundred ninety-three".