63444261011 has 8 divisors (see below), whose sum is σ = 64360396800. Its totient is φ = 62528751880.

The previous prime is 63444261007. The next prime is 63444261047. The reversal of 63444261011 is 11016244436.

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

It is a cyclic number.

It is not a de Polignac number, because 63444261011 - 2² = 63444261007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63444261061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49220 + ... + 359598.

It is an arithmetic number, because the mean of its divisors is an integer number (8045049600).

Almost surely, 2^63444261011 is an apocalyptic number.

63444261011 is a deficient number, since it is larger than the sum of its proper divisors (916135789).

63444261011 is a wasteful number, since it uses less digits than its factorization.

63444261011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313329.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 63444261011 in words is "sixty-three billion, four hundred forty-four million, two hundred sixty-one thousand, eleven".