63730749164 has 12 divisors (see below), whose sum is σ = 117398748600. Its totient is φ = 30188249568.

The previous prime is 63730749163. The next prime is 63730749167. The reversal of 63730749164 is 46194703736.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (63730749161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419281169 + ... + 419281320.

It is an arithmetic number, because the mean of its divisors is an integer number (9783229050).

Almost surely, 2^63730749164 is an apocalyptic number.

It is an amenable number.

63730749164 is a deficient number, since it is larger than the sum of its proper divisors (53667999436).

63730749164 is a wasteful number, since it uses less digits than its factorization.

63730749164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838562512 (or 838562510 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 50.

The spelling of 63730749164 in words is "sixty-three billion, seven hundred thirty million, seven hundred forty-nine thousand, one hundred sixty-four".