63489042 has 16 divisors (see below), whose sum is σ = 141086880. Its totient is φ = 21162996.

The previous prime is 63489037. The next prime is 63489043. The reversal of 63489042 is 24098436.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 63488988 and 63489006.

It is not an unprimeable number, because it can be changed into a prime (63489043) 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, 587808 + ... + 587915.

It is an arithmetic number, because the mean of its divisors is an integer number (8817930).

Almost surely, 2^63489042 is an apocalyptic number.

63489042 is an abundant number, since it is smaller than the sum of its proper divisors (77597838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63489042 is a wasteful number, since it uses less digits than its factorization.

63489042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175734 (or 1175728 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 63489042 is about 7968.0011295180. The cubic root of 63489042 is about 398.9326586560.

It can be divided in two parts, 634 and 89042, that added together give a triangular number (89676 = T₄₂₃).

The spelling of 63489042 in words is "sixty-three million, four hundred eighty-nine thousand, forty-two".