12496305389 has 2 divisors, whose sum is σ = 12496305390. Its totient is φ = 12496305388.

The previous prime is 12496305373. The next prime is 12496305403. The reversal of 12496305389 is 98350369421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7270461289 + 5225844100 = 85267^2 + 72290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12496305389 - 2⁴ = 12496305373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12496305319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6248152694 + 6248152695.

It is an arithmetic number, because the mean of its divisors is an integer number (6248152695).

Almost surely, 2^12496305389 is an apocalyptic number.

It is an amenable number.

12496305389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12496305389 is an equidigital number, since it uses as much as digits as its factorization.

12496305389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 12496305389 in words is "twelve billion, four hundred ninety-six million, three hundred five thousand, three hundred eighty-nine".