9912743461 has 2 divisors, whose sum is σ = 9912743462. Its totient is φ = 9912743460.

The previous prime is 9912743413. The next prime is 9912743473. The reversal of 9912743461 is 1643472199.

9912743461 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., 7414243236 + 2498500225 = 86106^2 + 49985^2 .

It is a cyclic number.

It is not a de Polignac number, because 9912743461 - 2⁹ = 9912742949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9912743411) 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, 4956371730 + 4956371731.

It is an arithmetic number, because the mean of its divisors is an integer number (4956371731).

Almost surely, 2^9912743461 is an apocalyptic number.

It is an amenable number.

9912743461 is a deficient number, since it is larger than the sum of its proper divisors (1).

9912743461 is an equidigital number, since it uses as much as digits as its factorization.

9912743461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 9912743461 is about 99562.7614171082. The cubic root of 9912743461 is about 2148.1500915371.

The spelling of 9912743461 in words is "nine billion, nine hundred twelve million, seven hundred forty-three thousand, four hundred sixty-one".