12915920741 has 2 divisors, whose sum is σ = 12915920742. Its totient is φ = 12915920740.

The previous prime is 12915920729. The next prime is 12915920747. The reversal of 12915920741 is 14702951921.

It is a happy number.

12915920741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6792232225 + 6123688516 = 82415^2 + 78254^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12915920741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12915920747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6457960370 + 6457960371.

It is an arithmetic number, because the mean of its divisors is an integer number (6457960371).

Almost surely, 2^12915920741 is an apocalyptic number.

It is an amenable number.

12915920741 is a deficient number, since it is larger than the sum of its proper divisors (1).

12915920741 is an equidigital number, since it uses as much as digits as its factorization.

12915920741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 12915920741 in words is "twelve billion, nine hundred fifteen million, nine hundred twenty thousand, seven hundred forty-one".