12630461773 has 4 divisors (see below), whose sum is σ = 12651761628. Its totient is φ = 12609161920.

The previous prime is 12630461761. The next prime is 12630461791. The reversal of 12630461773 is 37716403621.

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 3544178089 + 9086283684 = 59533^2 + 95322^2 .

It is a cyclic number.

It is not a de Polignac number, because 12630461773 - 2¹⁷ = 12630330701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12630461713) 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, 10649038 + ... + 10650223.

It is an arithmetic number, because the mean of its divisors is an integer number (3162940407).

Almost surely, 2^12630461773 is an apocalyptic number.

It is an amenable number.

12630461773 is a deficient number, since it is larger than the sum of its proper divisors (21299855).

12630461773 is an equidigital number, since it uses as much as digits as its factorization.

12630461773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21299854.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 12630461773 in words is "twelve billion, six hundred thirty million, four hundred sixty-one thousand, seven hundred seventy-three".