12475785116693 has 2 divisors, whose sum is σ = 12475785116694. Its totient is φ = 12475785116692.

The previous prime is 12475785116677. The next prime is 12475785116723. The reversal of 12475785116693 is 39661158757421.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12309270520849 + 166514595844 = 3508457^2 + 408062^2 .

It is a cyclic number.

It is not a de Polignac number, because 12475785116693 - 2⁴ = 12475785116677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12475785116293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6237892558346 + 6237892558347.

It is an arithmetic number, because the mean of its divisors is an integer number (6237892558347).

Almost surely, 2^{12475785116693} is an apocalyptic number.

It is an amenable number.

12475785116693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12475785116693 is an equidigital number, since it uses as much as digits as its factorization.

12475785116693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76204800, while the sum is 65.

The spelling of 12475785116693 in words is "twelve trillion, four hundred seventy-five billion, seven hundred eighty-five million, one hundred sixteen thousand, six hundred ninety-three".