13020112789 has 2 divisors, whose sum is σ = 13020112790. Its totient is φ = 13020112788.

The previous prime is 13020112769. The next prime is 13020112823. The reversal of 13020112789 is 98721102031.

It is an a-pointer prime, because the next prime (13020112823) can be obtained adding 13020112789 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12807448900 + 212663889 = 113170^2 + 14583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13020112789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020112769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510056394 + 6510056395.

It is an arithmetic number, because the mean of its divisors is an integer number (6510056395).

Almost surely, 2^13020112789 is an apocalyptic number.

It is an amenable number.

13020112789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020112789 is an equidigital number, since it uses as much as digits as its factorization.

13020112789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 13020112789 in words is "thirteen billion, twenty million, one hundred twelve thousand, seven hundred eighty-nine".