12840925373 has 2 divisors, whose sum is σ = 12840925374. Its totient is φ = 12840925372.

The previous prime is 12840925301. The next prime is 12840925379. The reversal of 12840925373 is 37352904821.

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., 6957728569 + 5883196804 = 83413^2 + 76702^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12840925373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12840925379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6420462686 + 6420462687.

It is an arithmetic number, because the mean of its divisors is an integer number (6420462687).

Almost surely, 2^12840925373 is an apocalyptic number.

It is an amenable number.

12840925373 is a deficient number, since it is larger than the sum of its proper divisors (1).

12840925373 is an equidigital number, since it uses as much as digits as its factorization.

12840925373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 12840925373 in words is "twelve billion, eight hundred forty million, nine hundred twenty-five thousand, three hundred seventy-three".