12766393735 has 8 divisors (see below), whose sum is σ = 15329433456. Its totient is φ = 10206607680.

The previous prime is 12766393733. The next prime is 12766393747. The reversal of 12766393735 is 53739366721.

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

It is not a de Polignac number, because 12766393735 - 2¹ = 12766393733 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 (12766393733) 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, 804774 + ... + 820483.

It is an arithmetic number, because the mean of its divisors is an integer number (1916179182).

Almost surely, 2^12766393735 is an apocalyptic number.

12766393735 is a deficient number, since it is larger than the sum of its proper divisors (2563039721).

12766393735 is a wasteful number, since it uses less digits than its factorization.

12766393735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626833.

The product of its digits is 4286520, while the sum is 52.

The spelling of 12766393735 in words is "twelve billion, seven hundred sixty-six million, three hundred ninety-three thousand, seven hundred thirty-five".