13263352421 has 32 divisors (see below), whose sum is σ = 14826537216. Its totient is φ = 11764800000.

The previous prime is 13263352411. The next prime is 13263352433. The reversal of 13263352421 is 12425336231.

13263352421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13263352421 is a prime.

It is a super-2 number, since 2×13263352421² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13263352411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29022425 + ... + 29022881.

It is an arithmetic number, because the mean of its divisors is an integer number (463329288).

Almost surely, 2^13263352421 is an apocalyptic number.

13263352421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13263352421 is a deficient number, since it is larger than the sum of its proper divisors (1563184795).

13263352421 is a wasteful number, since it uses less digits than its factorization.

13263352421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893.

The product of its digits is 25920, while the sum is 32.

Adding to 13263352421 its reverse (12425336231), we get a palindrome (25688688652).

The spelling of 13263352421 in words is "thirteen billion, two hundred sixty-three million, three hundred fifty-two thousand, four hundred twenty-one".