63220644403 has 8 divisors (see below), whose sum is σ = 76054910720. Its totient is φ = 51337064520.

The previous prime is 63220644401. The next prime is 63220644439. The reversal of 63220644403 is 30444602236.

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

It is not a de Polignac number, because 63220644403 - 2¹ = 63220644401 is a prime.

It is a super-3 number, since 3×63220644403³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63220644401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237671463 + ... + 237671728.

It is an arithmetic number, because the mean of its divisors is an integer number (9506863840).

Almost surely, 2^63220644403 is an apocalyptic number.

63220644403 is a deficient number, since it is larger than the sum of its proper divisors (12834266317).

63220644403 is a wasteful number, since it uses less digits than its factorization.

63220644403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475343217.

The product of its (nonzero) digits is 82944, while the sum is 34.

The spelling of 63220644403 in words is "sixty-three billion, two hundred twenty million, six hundred forty-four thousand, four hundred three".