12754347761 has 2 divisors, whose sum is σ = 12754347762. Its totient is φ = 12754347760.

The previous prime is 12754347751. The next prime is 12754347779. The reversal of 12754347761 is 16774345721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7097051536 + 5657296225 = 84244^2 + 75215^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12754347761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12754347751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377173880 + 6377173881.

It is an arithmetic number, because the mean of its divisors is an integer number (6377173881).

Almost surely, 2^12754347761 is an apocalyptic number.

It is an amenable number.

12754347761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12754347761 is an equidigital number, since it uses as much as digits as its factorization.

12754347761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The spelling of 12754347761 in words is "twelve billion, seven hundred fifty-four million, three hundred forty-seven thousand, seven hundred sixty-one".