13522463421 has 8 divisors (see below), whose sum is σ = 18469706304. Its totient is φ = 8795098080.

The previous prime is 13522463387. The next prime is 13522463429. The reversal of 13522463421 is 12436422531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13522463421 - 2⁷ = 13522463293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13522463429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54969241 + ... + 54969486.

It is an arithmetic number, because the mean of its divisors is an integer number (2308713288).

Almost surely, 2^13522463421 is an apocalyptic number.

It is an amenable number.

13522463421 is a deficient number, since it is larger than the sum of its proper divisors (4947242883).

13522463421 is a wasteful number, since it uses less digits than its factorization.

13522463421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109938771.

The product of its digits is 34560, while the sum is 33.

Adding to 13522463421 its reverse (12436422531), we get a palindrome (25958885952).

The spelling of 13522463421 in words is "thirteen billion, five hundred twenty-two million, four hundred sixty-three thousand, four hundred twenty-one".