12650734697 has 2 divisors, whose sum is σ = 12650734698. Its totient is φ = 12650734696.

The previous prime is 12650734687. The next prime is 12650734703. The reversal of 12650734697 is 79643705621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9885131776 + 2765602921 = 99424^2 + 52589^2 .

It is an emirp because it is prime and its reverse (79643705621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12650734697 - 2²⁶ = 12583625833 is a prime.

It is not a weakly prime, because it can be changed into another prime (12650734627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325367348 + 6325367349.

It is an arithmetic number, because the mean of its divisors is an integer number (6325367349).

Almost surely, 2^12650734697 is an apocalyptic number.

It is an amenable number.

12650734697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12650734697 is an equidigital number, since it uses as much as digits as its factorization.

12650734697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 12650734697 in words is "twelve billion, six hundred fifty million, seven hundred thirty-four thousand, six hundred ninety-seven".