63393864942 has 8 divisors (see below), whose sum is σ = 126787729896. Its totient is φ = 21131288312.

The previous prime is 63393864899. The next prime is 63393864967. The reversal of 63393864942 is 24946839336.

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

63393864942 is an admirable number.

It is a super-2 number, since 2×63393864942² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5282822073 + ... + 5282822084.

It is an arithmetic number, because the mean of its divisors is an integer number (15848466237).

Almost surely, 2^63393864942 is an apocalyptic number.

63393864942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63393864942 is a wasteful number, since it uses less digits than its factorization.

63393864942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10565644162.

The product of its digits is 20155392, while the sum is 57.

The spelling of 63393864942 in words is "sixty-three billion, three hundred ninety-three million, eight hundred sixty-four thousand, nine hundred forty-two".