63474447436 has 6 divisors (see below), whose sum is σ = 111080283020. Its totient is φ = 31737223716.

The previous prime is 63474447403. The next prime is 63474447437.

63474447436 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (63474447437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7934305926 + ... + 7934305933.

Almost surely, 2^63474447436 is an apocalyptic number.

It is an amenable number.

63474447436 is a deficient number, since it is larger than the sum of its proper divisors (47605835584).

63474447436 is a wasteful number, since it uses less digits than its factorization.

63474447436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15868611863 (or 15868611861 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 52.

The spelling of 63474447436 in words is "sixty-three billion, four hundred seventy-four million, four hundred forty-seven thousand, four hundred thirty-six".