63468309 has 8 divisors (see below), whose sum is σ = 84796000. Its totient is φ = 42226416.

The previous prime is 63468281. The next prime is 63468311. The reversal of 63468309 is 90386436.

63468309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-63468309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63468319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19702 + ... + 22695.

It is an arithmetic number, because the mean of its divisors is an integer number (10599500).

Almost surely, 2^63468309 is an apocalyptic number.

It is an amenable number.

63468309 is a deficient number, since it is larger than the sum of its proper divisors (21327691).

63468309 is a wasteful number, since it uses less digits than its factorization.

63468309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42899.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 63468309 is about 7966.7000069037. The cubic root of 63468309 is about 398.8892287399.

The spelling of 63468309 in words is "sixty-three million, four hundred sixty-eight thousand, three hundred nine".