13404431363 has 4 divisors (see below), whose sum is σ = 13406362320. Its totient is φ = 13402500408.

The previous prime is 13404431357. The next prime is 13404431389. The reversal of 13404431363 is 36313440431.

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 13404431363 - 2²⁶ = 13337322499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13404431333) 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, 955028 + ... + 968961.

It is an arithmetic number, because the mean of its divisors is an integer number (3351590580).

Almost surely, 2^13404431363 is an apocalyptic number.

13404431363 is a deficient number, since it is larger than the sum of its proper divisors (1930957).

13404431363 is an equidigital number, since it uses as much as digits as its factorization.

13404431363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930956.

The product of its (nonzero) digits is 31104, while the sum is 32.

Adding to 13404431363 its reverse (36313440431), we get a palindrome (49717871794).

The spelling of 13404431363 in words is "thirteen billion, four hundred four million, four hundred thirty-one thousand, three hundred sixty-three".