13500479351 has 4 divisors (see below), whose sum is σ = 13523246352. Its totient is φ = 13477712352.

The previous prime is 13500479347. The next prime is 13500479407. The reversal of 13500479351 is 15397400531.

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 13500479351 - 2² = 13500479347 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 (13500479341) 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, 11382611 + ... + 11383796.

It is an arithmetic number, because the mean of its divisors is an integer number (3380811588).

Almost surely, 2^13500479351 is an apocalyptic number.

13500479351 is a deficient number, since it is larger than the sum of its proper divisors (22767001).

13500479351 is an equidigital number, since it uses as much as digits as its factorization.

13500479351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22767000.

The product of its (nonzero) digits is 56700, while the sum is 38.

Adding to 13500479351 its reverse (15397400531), we get a palindrome (28897879882).

The spelling of 13500479351 in words is "thirteen billion, five hundred million, four hundred seventy-nine thousand, three hundred fifty-one".