63929929 has 8 divisors (see below), whose sum is σ = 73529408. Its totient is φ = 54447120.

The previous prime is 63929923. The next prime is 63929939. The reversal of 63929929 is 92992936.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63929929 - 2⁵ = 63929897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63929923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27987 + ... + 30184.

It is an arithmetic number, because the mean of its divisors is an integer number (9191176).

Almost surely, 2^63929929 is an apocalyptic number.

It is an amenable number.

63929929 is a deficient number, since it is larger than the sum of its proper divisors (9599479).

63929929 is a wasteful number, since it uses less digits than its factorization.

63929929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58335.

The product of its digits is 472392, while the sum is 49.

The square root of 63929929 is about 7995.6193631263. The cubic root of 63929929 is about 399.8539654413.

The spelling of 63929929 in words is "sixty-three million, nine hundred twenty-nine thousand, nine hundred twenty-nine".