63729263292 has 12 divisors (see below), whose sum is σ = 148701614376. Its totient is φ = 21243087760.

The previous prime is 63729263263. The next prime is 63729263293. The reversal of 63729263292 is 29236292736.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63729263292² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63729263293) 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, 2655385959 + ... + 2655385982.

It is an arithmetic number, because the mean of its divisors is an integer number (12391801198).

Almost surely, 2^63729263292 is an apocalyptic number.

It is an amenable number.

63729263292 is an abundant number, since it is smaller than the sum of its proper divisors (84972351084).

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

63729263292 is a wasteful number, since it uses less digits than its factorization.

63729263292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310771948 (or 5310771946 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 51.

The spelling of 63729263292 in words is "sixty-three billion, seven hundred twenty-nine million, two hundred sixty-three thousand, two hundred ninety-two".