12608969363 has 4 divisors (see below), whose sum is σ = 13043761440. Its totient is φ = 12174177288.

The previous prime is 12608969327. The next prime is 12608969369. The reversal of 12608969363 is 36396980621.

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

It is a cyclic number.

It is not a de Polignac number, because 12608969363 - 2²² = 12604775059 is a prime.

It is a super-2 number, since 2×12608969363² (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 (12608969369) 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, 217395995 + ... + 217396052.

It is an arithmetic number, because the mean of its divisors is an integer number (3260940360).

Almost surely, 2^12608969363 is an apocalyptic number.

12608969363 is a deficient number, since it is larger than the sum of its proper divisors (434792077).

12608969363 is an equidigital number, since it uses as much as digits as its factorization.

12608969363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434792076.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 12608969363 in words is "twelve billion, six hundred eight million, nine hundred sixty-nine thousand, three hundred sixty-three".