12926930789 has 2 divisors, whose sum is σ = 12926930790. Its totient is φ = 12926930788.

The previous prime is 12926930773. The next prime is 12926930837. The reversal of 12926930789 is 98703962921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9685905889 + 3241024900 = 98417^2 + 56930^2 .

It is a cyclic number.

It is not a de Polignac number, because 12926930789 - 2⁴ = 12926930773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12926930729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6463465394 + 6463465395.

It is an arithmetic number, because the mean of its divisors is an integer number (6463465395).

Almost surely, 2^12926930789 is an apocalyptic number.

It is an amenable number.

12926930789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12926930789 is an equidigital number, since it uses as much as digits as its factorization.

12926930789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 12926930789 in words is "twelve billion, nine hundred twenty-six million, nine hundred thirty thousand, seven hundred eighty-nine".