13729799632 has 20 divisors (see below), whose sum is σ = 26735168800. Its totient is φ = 6830401248.

The previous prime is 13729799599. The next prime is 13729799639. The reversal of 13729799632 is 23699792731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729799639) 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, 2152878 + ... + 2159245.

It is an arithmetic number, because the mean of its divisors is an integer number (1336758440).

Almost surely, 2^13729799632 is an apocalyptic number.

It is an amenable number.

13729799632 is a deficient number, since it is larger than the sum of its proper divisors (13005369168).

13729799632 is a wasteful number, since it uses less digits than its factorization.

13729799632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312330 (or 4312324 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 58.

The spelling of 13729799632 in words is "thirteen billion, seven hundred twenty-nine million, seven hundred ninety-nine thousand, six hundred thirty-two".