12793620481 has 2 divisors, whose sum is σ = 12793620482. Its totient is φ = 12793620480.

The previous prime is 12793620457. The next prime is 12793620509. The reversal of 12793620481 is 18402639721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11028360256 + 1765260225 = 105016^2 + 42015^2 .

It is a cyclic number.

It is not a de Polignac number, because 12793620481 - 2¹¹ = 12793618433 is a prime.

It is a super-2 number, since 2×12793620481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12793627481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6396810240 + 6396810241.

It is an arithmetic number, because the mean of its divisors is an integer number (6396810241).

Almost surely, 2^12793620481 is an apocalyptic number.

It is an amenable number.

12793620481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12793620481 is an equidigital number, since it uses as much as digits as its factorization.

12793620481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 12793620481 in words is "twelve billion, seven hundred ninety-three million, six hundred twenty thousand, four hundred eighty-one".