12766409153 has 4 divisors (see below), whose sum is σ = 13077785028. Its totient is φ = 12455033280.

The previous prime is 12766409113. The next prime is 12766409167. The reversal of 12766409153 is 35190466721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1977847729 + 10788561424 = 44473^2 + 103868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12766409153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12766409113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155687876 + ... + 155687957.

It is an arithmetic number, because the mean of its divisors is an integer number (3269446257).

Almost surely, 2^12766409153 is an apocalyptic number.

It is an amenable number.

12766409153 is a deficient number, since it is larger than the sum of its proper divisors (311375875).

12766409153 is an equidigital number, since it uses as much as digits as its factorization.

12766409153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311375874.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 12766409153 in words is "twelve billion, seven hundred sixty-six million, four hundred nine thousand, one hundred fifty-three".