12446516403 has 8 divisors (see below), whose sum is σ = 18439283600. Its totient is φ = 8297677584.

The previous prime is 12446516393. The next prime is 12446516413. The reversal of 12446516403 is 30461564421.

12446516403 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 6 + 5 + 1 + 640 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (12446516393) and next prime (12446516413).

It is not a de Polignac number, because 12446516403 - 2⁴ = 12446516387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12446516413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230491018 + ... + 230491071.

It is an arithmetic number, because the mean of its divisors is an integer number (2304910450).

Almost surely, 2^12446516403 is an apocalyptic number.

12446516403 is a deficient number, since it is larger than the sum of its proper divisors (5992767197).

12446516403 is an equidigital number, since it uses as much as digits as its factorization.

12446516403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460982098 (or 460982092 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 12446516403 in words is "twelve billion, four hundred forty-six million, five hundred sixteen thousand, four hundred three".