63729093312 has 84 divisors (see below), whose sum is σ = 190610063280. Its totient is φ = 20319416832.

The previous prime is 63729093277. The next prime is 63729093317. The reversal of 63729093312 is 21339092736.

63729093312 is a `hidden beast` number, since 637 + 2 + 9 + 0 + 9 + 3 + 3 + 1 + 2 = 666.

It is a super-2 number, since 2×63729093312² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63729093317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2391987 + ... + 2418482.

It is an arithmetic number, because the mean of its divisors is an integer number (2269167420).

Almost surely, 2^63729093312 is an apocalyptic number.

It is an amenable number.

63729093312 is an abundant number, since it is smaller than the sum of its proper divisors (126880969968).

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

63729093312 is a wasteful number, since it uses less digits than its factorization.

63729093312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4810510 (or 4810497 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 63729093312 in words is "sixty-three billion, seven hundred twenty-nine million, ninety-three thousand, three hundred twelve".