13342503233421 has 10 divisors (see below), whose sum is σ = 19931393719182. Its totient is φ = 8895002155560.

The previous prime is 13342503233413. The next prime is 13342503233467. The reversal of 13342503233421 is 12433230524331.

13342503233421 is a `hidden beast` number, since 1 + 3 + 34 + 250 + 32 + 3 + 342 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10423664244900 + 2918838988521 = 3228570^2 + 1708461^2 .

It is not a de Polignac number, because 13342503233421 - 2³ = 13342503233413 is a prime.

It is a super-2 number, since 2×13342503233421² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13342503233401) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 82361130990 + ... + 82361131151.

Almost surely, 2^{13342503233421} is an apocalyptic number.

It is an amenable number.

13342503233421 is a deficient number, since it is larger than the sum of its proper divisors (6588890485761).

13342503233421 is an equidigital number, since it uses as much as digits as its factorization.

13342503233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164722262153 (or 164722262144 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

Adding to 13342503233421 its reverse (12433230524331), we get a palindrome (25775733757752).

The spelling of 13342503233421 in words is "thirteen trillion, three hundred forty-two billion, five hundred three million, two hundred thirty-three thousand, four hundred twenty-one".