12653463601 has 4 divisors (see below), whose sum is σ = 12655002100. Its totient is φ = 12651925104.

The previous prime is 12653463523. The next prime is 12653463617. The reversal of 12653463601 is 10636435621.

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 8987040000 + 3666423601 = 94800^2 + 60551^2 .

It is a cyclic number.

It is not a de Polignac number, because 12653463601 - 2⁹ = 12653463089 is a prime.

It is a super-2 number, since 2×12653463601² (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 (12653463701) 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, 756846 + ... + 773383.

It is an arithmetic number, because the mean of its divisors is an integer number (3163750525).

Almost surely, 2^12653463601 is an apocalyptic number.

It is an amenable number.

12653463601 is a deficient number, since it is larger than the sum of its proper divisors (1538499).

12653463601 is an equidigital number, since it uses as much as digits as its factorization.

12653463601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538498.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 12653463601 in words is "twelve billion, six hundred fifty-three million, four hundred sixty-three thousand, six hundred one".