12368635473 has 4 divisors (see below), whose sum is σ = 16491513968. Its totient is φ = 8245756980.

The previous prime is 12368635429. The next prime is 12368635511. The reversal of 12368635473 is 37453686321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12368635473 - 2⁸ = 12368635217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12368625473) 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, 2061439243 + ... + 2061439248.

It is an arithmetic number, because the mean of its divisors is an integer number (4122878492).

Almost surely, 2^12368635473 is an apocalyptic number.

It is an amenable number.

12368635473 is a deficient number, since it is larger than the sum of its proper divisors (4122878495).

12368635473 is an equidigital number, since it uses as much as digits as its factorization.

12368635473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122878494.

The product of its digits is 2177280, while the sum is 48.

The spelling of 12368635473 in words is "twelve billion, three hundred sixty-eight million, six hundred thirty-five thousand, four hundred seventy-three".