13542421333 has 16 divisors (see below), whose sum is σ = 16053955456. Its totient is φ = 11182510080.

The previous prime is 13542421307. The next prime is 13542421339. The reversal of 13542421333 is 33312424531.

It is a happy number.

It is not a de Polignac number, because 13542421333 - 2⁵ = 13542421301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13542421295 and 13542421304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13542421339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286188 + ... + 330133.

It is an arithmetic number, because the mean of its divisors is an integer number (1003372216).

Almost surely, 2^13542421333 is an apocalyptic number.

It is an amenable number.

13542421333 is a deficient number, since it is larger than the sum of its proper divisors (2511534123).

13542421333 is an equidigital number, since it uses as much as digits as its factorization.

13542421333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616444.

The product of its digits is 25920, while the sum is 31.

Adding to 13542421333 its reverse (33312424531), we get a palindrome (46854845864).

The spelling of 13542421333 in words is "thirteen billion, five hundred forty-two million, four hundred twenty-one thousand, three hundred thirty-three".