13378463933 has 4 divisors (see below), whose sum is σ = 13378705248. Its totient is φ = 13378222620.

The previous prime is 13378463929. The next prime is 13378463957. The reversal of 13378463933 is 33936487331.

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 13378463933 - 2² = 13378463929 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 (13378463963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8810 + ... + 163812.

It is an arithmetic number, because the mean of its divisors is an integer number (3344676312).

Almost surely, 2^13378463933 is an apocalyptic number.

It is an amenable number.

13378463933 is a deficient number, since it is larger than the sum of its proper divisors (241315).

13378463933 is an equidigital number, since it uses as much as digits as its factorization.

13378463933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241314.

The product of its digits is 2939328, while the sum is 50.

The spelling of 13378463933 in words is "thirteen billion, three hundred seventy-eight million, four hundred sixty-three thousand, nine hundred thirty-three".