63434643436 has 12 divisors (see below), whose sum is σ = 116853290680. Its totient is φ = 30047988960.

The previous prime is 63434643409. The next prime is 63434643449.

It is a happy number.

63434643436 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417333105 + ... + 417333256.

Almost surely, 2^63434643436 is an apocalyptic number.

It is an amenable number.

63434643436 is a deficient number, since it is larger than the sum of its proper divisors (53418647244).

63434643436 is a wasteful number, since it uses less digits than its factorization.

63434643436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834666384 (or 834666382 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 46.

The spelling of 63434643436 in words is "sixty-three billion, four hundred thirty-four million, six hundred forty-three thousand, four hundred thirty-six".