12751377649 has 8 divisors (see below), whose sum is σ = 12901665920. Its totient is φ = 12601598976.

The previous prime is 12751377631. The next prime is 12751377659. The reversal of 12751377649 is 94677315721.

It is a happy number.

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 12751377649 - 2⁷ = 12751377521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12751377596 and 12751377605.

It is not an unprimeable number, because it can be changed into a prime (12751377659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76944 + ... + 177265.

It is an arithmetic number, because the mean of its divisors is an integer number (1612708240).

Almost surely, 2^12751377649 is an apocalyptic number.

It is an amenable number.

12751377649 is a deficient number, since it is larger than the sum of its proper divisors (150288271).

12751377649 is a wasteful number, since it uses less digits than its factorization.

12751377649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254799.

The product of its digits is 2222640, while the sum is 52.

The spelling of 12751377649 in words is "twelve billion, seven hundred fifty-one million, three hundred seventy-seven thousand, six hundred forty-nine".