12663353431 has 16 divisors (see below), whose sum is σ = 13644197280. Its totient is φ = 11708984320.

The previous prime is 12663353429. The next prime is 12663353449. The reversal of 12663353431 is 13435336621.

It is a cyclic number.

It is not a de Polignac number, because 12663353431 - 2¹ = 12663353429 is a prime.

It is a super-2 number, since 2×12663353431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12663353471) 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 15 ways as a sum of consecutive naturals, for example, 2144475 + ... + 2150371.

It is an arithmetic number, because the mean of its divisors is an integer number (852762330).

Almost surely, 2^12663353431 is an apocalyptic number.

12663353431 is a deficient number, since it is larger than the sum of its proper divisors (980843849).

12663353431 is a wasteful number, since it uses less digits than its factorization.

12663353431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8114.

The product of its digits is 116640, while the sum is 37.

The spelling of 12663353431 in words is "twelve billion, six hundred sixty-three million, three hundred fifty-three thousand, four hundred thirty-one".