12742445461 has 8 divisors (see below), whose sum is σ = 12869287704. Its totient is φ = 12616181760.

The previous prime is 12742445393. The next prime is 12742445477. The reversal of 12742445461 is 16454424721.

12742445461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 906311025 + 11836134436 = 30105^2 + 108794^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12742445461 - 2¹⁹ = 12741921173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742445491) 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 in 7 ways as a sum of consecutive naturals, for example, 100300 + ... + 188533.

It is an arithmetic number, because the mean of its divisors is an integer number (1608660963).

Almost surely, 2^12742445461 is an apocalyptic number.

It is an amenable number.

12742445461 is a deficient number, since it is larger than the sum of its proper divisors (126842243).

12742445461 is a wasteful number, since it uses less digits than its factorization.

12742445461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289271.

The product of its digits is 215040, while the sum is 40.

The spelling of 12742445461 in words is "twelve billion, seven hundred forty-two million, four hundred forty-five thousand, four hundred sixty-one".