13203110989 has 2 divisors, whose sum is σ = 13203110990. Its totient is φ = 13203110988.

The previous prime is 13203110983. The next prime is 13203111029. The reversal of 13203110989 is 98901130231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11783102500 + 1420008489 = 108550^2 + 37683^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203110989 - 2¹⁹ = 13202586701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13203110983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601555494 + 6601555495.

It is an arithmetic number, because the mean of its divisors is an integer number (6601555495).

Almost surely, 2^13203110989 is an apocalyptic number.

It is an amenable number.

13203110989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13203110989 is an equidigital number, since it uses as much as digits as its factorization.

13203110989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 13203110989 in words is "thirteen billion, two hundred three million, one hundred ten thousand, nine hundred eighty-nine".