63400338348 has 24 divisors (see below), whose sum is σ = 148480012800. Its totient is φ = 21055461840.

The previous prime is 63400338329. The next prime is 63400338359. The reversal of 63400338348 is 84383300436.

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 7 ways as a sum of consecutive naturals, for example, 9744648 + ... + 9751151.

It is an arithmetic number, because the mean of its divisors is an integer number (6186667200).

Almost surely, 2^63400338348 is an apocalyptic number.

It is an amenable number.

63400338348 is an abundant number, since it is smaller than the sum of its proper divisors (85079674452).

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

63400338348 is a wasteful number, since it uses less digits than its factorization.

63400338348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19496077 (or 19496075 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 63400338348 in words is "sixty-three billion, four hundred million, three hundred thirty-eight thousand, three hundred forty-eight".