12758049629 has 8 divisors (see below), whose sum is σ = 13755116760. Its totient is φ = 11763222336.

The previous prime is 12758049583. The next prime is 12758049631. The reversal of 12758049629 is 92694085721.

It can be written as a sum of positive squares in 4 ways, for example, as 2859789529 + 9898260100 = 53477^2 + 99490^2 .

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 12758049629 - 2³² = 8463082333 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 (12758040629) 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, 548114 + ... + 570915.

It is an arithmetic number, because the mean of its divisors is an integer number (1719389595).

Almost surely, 2^12758049629 is an apocalyptic number.

It is an amenable number.

12758049629 is a deficient number, since it is larger than the sum of its proper divisors (997067131).

12758049629 is a wasteful number, since it uses less digits than its factorization.

12758049629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119919.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 12758049629 in words is "twelve billion, seven hundred fifty-eight million, forty-nine thousand, six hundred twenty-nine".