6363940063640 has 16 divisors (see below), whose sum is σ = 14318865143280. Its totient is φ = 2545576025440.

The previous prime is 6363940063573. The next prime is 6363940063669. The reversal of 6363940063640 is 463600493636.

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, 79549250756 + ... + 79549250835.

It is an arithmetic number, because the mean of its divisors is an integer number (894929071455).

Almost surely, 2^{6363940063640} is an apocalyptic number.

It is an amenable number.

6363940063640 is an abundant number, since it is smaller than the sum of its proper divisors (7954925079640).

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

6363940063640 is a wasteful number, since it uses less digits than its factorization.

6363940063640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159098501602 (or 159098501598 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 50.

The spelling of 6363940063640 in words is "six trillion, three hundred sixty-three billion, nine hundred forty million, sixty-three thousand, six hundred forty".