13430203393 has 2 divisors, whose sum is σ = 13430203394. Its totient is φ = 13430203392.

The previous prime is 13430203361. The next prime is 13430203403. The reversal of 13430203393 is 39330203431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7770951409 + 5659251984 = 88153^2 + 75228^2 .

It is a cyclic number.

It is not a de Polignac number, because 13430203393 - 2⁵ = 13430203361 is a prime.

It is not a weakly prime, because it can be changed into another prime (13430203993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715101696 + 6715101697.

It is an arithmetic number, because the mean of its divisors is an integer number (6715101697).

Almost surely, 2^13430203393 is an apocalyptic number.

It is an amenable number.

13430203393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13430203393 is an equidigital number, since it uses as much as digits as its factorization.

13430203393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 31.

The spelling of 13430203393 in words is "thirteen billion, four hundred thirty million, two hundred three thousand, three hundred ninety-three".