12348337519477 has 2 divisors, whose sum is σ = 12348337519478. Its totient is φ = 12348337519476.

The previous prime is 12348337519457. The next prime is 12348337519541. The reversal of 12348337519477 is 77491573384321.

It is an a-pointer prime, because the next prime (12348337519541) can be obtained adding 12348337519477 to its sum of digits (64).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8869996888516 + 3478340630961 = 2978254^2 + 1865031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12348337519477 - 2¹¹ = 12348337517429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12348337519417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6174168759738 + 6174168759739.

It is an arithmetic number, because the mean of its divisors is an integer number (6174168759739).

Almost surely, 2^{12348337519477} is an apocalyptic number.

It is an amenable number.

12348337519477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12348337519477 is an equidigital number, since it uses as much as digits as its factorization.

12348337519477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 64.

The spelling of 12348337519477 in words is "twelve trillion, three hundred forty-eight billion, three hundred thirty-seven million, five hundred nineteen thousand, four hundred seventy-seven".