63449687222 has 8 divisors (see below), whose sum is σ = 95210278416. Its totient is φ = 31712927752.

The previous prime is 63449687209. The next prime is 63449687263. The reversal of 63449687222 is 22278694436.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 5951273 + ... + 5961924.

It is an arithmetic number, because the mean of its divisors is an integer number (11901284802).

Almost surely, 2^63449687222 is an apocalyptic number.

63449687222 is a deficient number, since it is larger than the sum of its proper divisors (31760591194).

63449687222 is a wasteful number, since it uses less digits than its factorization.

63449687222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915862.

The product of its digits is 6967296, while the sum is 53.

The spelling of 63449687222 in words is "sixty-three billion, four hundred forty-nine million, six hundred eighty-seven thousand, two hundred twenty-two".