12609573063 has 4 divisors (see below), whose sum is σ = 16812764088. Its totient is φ = 8406382040.

The previous prime is 12609573019. The next prime is 12609573089. The reversal of 12609573063 is 36037590621.

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 12609573063 - 2⁶ = 12609572999 is a prime.

It is a super-2 number, since 2×12609573063² (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 (12609571063) 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, 2101595508 + ... + 2101595513.

It is an arithmetic number, because the mean of its divisors is an integer number (4203191022).

Almost surely, 2^12609573063 is an apocalyptic number.

12609573063 is a deficient number, since it is larger than the sum of its proper divisors (4203191025).

12609573063 is an equidigital number, since it uses as much as digits as its factorization.

12609573063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4203191024.

The product of its (nonzero) digits is 204120, while the sum is 42.

The spelling of 12609573063 in words is "twelve billion, six hundred nine million, five hundred seventy-three thousand, sixty-three".