13432640233 has 2 divisors, whose sum is σ = 13432640234. Its totient is φ = 13432640232.

The previous prime is 13432640231. The next prime is 13432640261. The reversal of 13432640233 is 33204623431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7731333184 + 5701307049 = 87928^2 + 75507^2 .

It is a cyclic number.

It is not a de Polignac number, because 13432640233 - 2¹ = 13432640231 is a prime.

Together with 13432640231, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 13432640195 and 13432640204.

It is not a weakly prime, because it can be changed into another prime (13432640231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6716320116 + 6716320117.

It is an arithmetic number, because the mean of its divisors is an integer number (6716320117).

Almost surely, 2^13432640233 is an apocalyptic number.

It is an amenable number.

13432640233 is a deficient number, since it is larger than the sum of its proper divisors (1).

13432640233 is an equidigital number, since it uses as much as digits as its factorization.

13432640233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 31.

The spelling of 13432640233 in words is "thirteen billion, four hundred thirty-two million, six hundred forty thousand, two hundred thirty-three".