13402120230533 has 2 divisors, whose sum is σ = 13402120230534. Its totient is φ = 13402120230532.

The previous prime is 13402120230517. The next prime is 13402120230589. The reversal of 13402120230533 is 33503202120431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11627131580164 + 1774988650369 = 3409858^2 + 1332287^2 .

It is a cyclic number.

It is not a de Polignac number, because 13402120230533 - 2⁴ = 13402120230517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13402120230496 and 13402120230505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13402120730533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6701060115266 + 6701060115267.

It is an arithmetic number, because the mean of its divisors is an integer number (6701060115267).

Almost surely, 2^{13402120230533} is an apocalyptic number.

It is an amenable number.

13402120230533 is a deficient number, since it is larger than the sum of its proper divisors (1).

13402120230533 is an equidigital number, since it uses as much as digits as its factorization.

13402120230533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 13402120230533 its reverse (33503202120431), we get a palindrome (46905322350964).

The spelling of 13402120230533 in words is "thirteen trillion, four hundred two billion, one hundred twenty million, two hundred thirty thousand, five hundred thirty-three".