63438441 has 16 divisors (see below), whose sum is σ = 97702848. Its totient is φ = 36185600.

The previous prime is 63438437. The next prime is 63438443. The reversal of 63438441 is 14483436.

It is a happy number.

It is not a de Polignac number, because 63438441 - 2² = 63438437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (63438443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55980 + ... + 57101.

It is an arithmetic number, because the mean of its divisors is an integer number (6106428).

Almost surely, 2^63438441 is an apocalyptic number.

It is an amenable number.

63438441 is a deficient number, since it is larger than the sum of its proper divisors (34264407).

63438441 is a wasteful number, since it uses less digits than its factorization.

63438441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113112.

The product of its digits is 27648, while the sum is 33.

The square root of 63438441 is about 7964.8252334875. The cubic root of 63438441 is about 398.8266468883.

The spelling of 63438441 in words is "sixty-three million, four hundred thirty-eight thousand, four hundred forty-one".