12169356693 has 16 divisors (see below), whose sum is σ = 17475943296. Its totient is φ = 7487979840.

The previous prime is 12169356691. The next prime is 12169356709. The reversal of 12169356693 is 39665396121.

It is a happy number.

It is not a de Polignac number, because 12169356693 - 2¹ = 12169356691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12169356691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594871 + ... + 614987.

It is an arithmetic number, because the mean of its divisors is an integer number (1092246456).

Almost surely, 2^12169356693 is an apocalyptic number.

12169356693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12169356693 is a deficient number, since it is larger than the sum of its proper divisors (5306586603).

12169356693 is a wasteful number, since it uses less digits than its factorization.

12169356693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35644.

The product of its digits is 1574640, while the sum is 51.

The spelling of 12169356693 in words is "twelve billion, one hundred sixty-nine million, three hundred fifty-six thousand, six hundred ninety-three".