63939043 has 8 divisors (see below), whose sum is σ = 73150560. Its totient is φ = 54746880.

The previous prime is 63939037. The next prime is 63939059. The reversal of 63939043 is 34093936.

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 63939043 - 2²⁵ = 30384611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63938993 and 63939011.

It is not an unprimeable number, because it can be changed into a prime (63939643) 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, 3123 + ... + 11731.

It is an arithmetic number, because the mean of its divisors is an integer number (9143820).

Almost surely, 2^63939043 is an apocalyptic number.

63939043 is a deficient number, since it is larger than the sum of its proper divisors (9211517).

63939043 is a wasteful number, since it uses less digits than its factorization.

63939043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9677.

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

The square root of 63939043 is about 7996.1892799008. The cubic root of 63939043 is about 399.8729659101.

The spelling of 63939043 in words is "sixty-three million, nine hundred thirty-nine thousand, forty-three".