63439039 has 8 divisors (see below), whose sum is σ = 65269152. Its totient is φ = 61632480.

The previous prime is 63439031. The next prime is 63439069. The reversal of 63439039 is 93093436.

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 63439039 - 2³ = 63439031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63438989 and 63439007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63439031) 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, 352 + ... + 11269.

It is an arithmetic number, because the mean of its divisors is an integer number (8158644).

Almost surely, 2^63439039 is an apocalyptic number.

63439039 is a deficient number, since it is larger than the sum of its proper divisors (1830113).

63439039 is a wasteful number, since it uses less digits than its factorization.

63439039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11777.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 63439039 is about 7964.8627734569. The cubic root of 63439039 is about 398.8279000590.

The spelling of 63439039 in words is "sixty-three million, four hundred thirty-nine thousand, thirty-nine".