12695137769 has 8 divisors (see below), whose sum is σ = 12733427328. Its totient is φ = 12656880720.

The previous prime is 12695137757. The next prime is 12695137771. The reversal of 12695137769 is 96773159621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12695137769 is a prime.

It is a super-2 number, since 2×12695137769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12695137069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 934544 + ... + 948030.

It is an arithmetic number, because the mean of its divisors is an integer number (1591678416).

Almost surely, 2^12695137769 is an apocalyptic number.

It is an amenable number.

12695137769 is a deficient number, since it is larger than the sum of its proper divisors (38289559).

12695137769 is a wasteful number, since it uses less digits than its factorization.

12695137769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16255.

The product of its digits is 4286520, while the sum is 56.

The spelling of 12695137769 in words is "twelve billion, six hundred ninety-five million, one hundred thirty-seven thousand, seven hundred sixty-nine".