13436463431 has 4 divisors (see below), whose sum is σ = 13437441864. Its totient is φ = 13435485000.

The previous prime is 13436463401. The next prime is 13436463479.

13436463431 is nontrivially palindromic in base 10.

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 13436463431 - 2¹⁴ = 13436447047 is a prime.

It is a super-2 number, since 2×13436463431² (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 (13436463401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468320 + ... + 496181.

It is an arithmetic number, because the mean of its divisors is an integer number (3359360466).

Almost surely, 2^13436463431 is an apocalyptic number.

13436463431 is a deficient number, since it is larger than the sum of its proper divisors (978433).

13436463431 is an equidigital number, since it uses as much as digits as its factorization.

13436463431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978432.

The product of its digits is 186624, while the sum is 38.

The spelling of 13436463431 in words is "thirteen billion, four hundred thirty-six million, four hundred sixty-three thousand, four hundred thirty-one".