13403400383 has 4 divisors (see below), whose sum is σ = 13412664720. Its totient is φ = 13394136048.

The previous prime is 13403400349. The next prime is 13403400401. The reversal of 13403400383 is 38300430431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13403400383 - 2²⁴ = 13386623167 is a prime.

It is a super-2 number, since 2×13403400383² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403400313) 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, 4629998 + ... + 4632891.

It is an arithmetic number, because the mean of its divisors is an integer number (3353166180).

Almost surely, 2^13403400383 is an apocalyptic number.

13403400383 is a deficient number, since it is larger than the sum of its proper divisors (9264337).

13403400383 is an equidigital number, since it uses as much as digits as its factorization.

13403400383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264336.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 13403400383 in words is "thirteen billion, four hundred three million, four hundred thousand, three hundred eighty-three".