63612344321636 has 12 divisors (see below), whose sum is σ = 121441748250480. Its totient is φ = 28914701964360.

The previous prime is 63612344321633. The next prime is 63612344321671.

63612344321636 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (63612344321633) 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, 722867549066 + ... + 722867549153.

It is an arithmetic number, because the mean of its divisors is an integer number (10120145687540).

Almost surely, 2^{63612344321636} is an apocalyptic number.

It is an amenable number.

63612344321636 is a deficient number, since it is larger than the sum of its proper divisors (57829403928844).

63612344321636 is a wasteful number, since it uses less digits than its factorization.

63612344321636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445735098234 (or 1445735098232 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 50.

The spelling of 63612344321636 in words is "sixty-three trillion, six hundred twelve billion, three hundred forty-four million, three hundred twenty-one thousand, six hundred thirty-six".