63463144 has 8 divisors (see below), whose sum is σ = 118993410. Its totient is φ = 31731568.

The previous prime is 63463139. The next prime is 63463151. The reversal of 63463144 is 44136436.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45400644 + 18062500 = 6738^2 + 4250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3966439 + ... + 3966454.

Almost surely, 2^63463144 is an apocalyptic number.

It is an amenable number.

63463144 is a deficient number, since it is larger than the sum of its proper divisors (55530266).

63463144 is a wasteful number, since it uses less digits than its factorization.

63463144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932899 (or 7932895 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 63463144 is about 7966.3758384852. The cubic root of 63463144 is about 398.8784080180.

The spelling of 63463144 in words is "sixty-three million, four hundred sixty-three thousand, one hundred forty-four".