63447444474436 has 24 divisors (see below), whose sum is σ = 121149781107264. Its totient is φ = 28834308998880.

The previous prime is 63447444474413. The next prime is 63447444474443.

63447444474436 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135726255 + ... + 136192918.

It is an arithmetic number, because the mean of its divisors is an integer number (5047907546136).

Almost surely, 2^{63447444474436} is an apocalyptic number.

It is an amenable number.

63447444474436 is a deficient number, since it is larger than the sum of its proper divisors (57702336632828).

63447444474436 is a wasteful number, since it uses less digits than its factorization.

63447444474436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271924491 (or 271924489 counting only the distinct ones).

The product of its digits is 1040449536, while the sum is 64.

The spelling of 63447444474436 in words is "sixty-three trillion, four hundred forty-seven billion, four hundred forty-four million, four hundred seventy-four thousand, four hundred thirty-six".