13988735312 has 10 divisors (see below), whose sum is σ = 27103174698. Its totient is φ = 6994367648.

The previous prime is 13988735287. The next prime is 13988735323. The reversal of 13988735312 is 21353788931.

It can be written as a sum of positive squares in only one way, i.e., 13382787856 + 605947456 = 115684^2 + 24616^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437147963 + ... + 437147994.

Almost surely, 2^13988735312 is an apocalyptic number.

It is an amenable number.

13988735312 is a deficient number, since it is larger than the sum of its proper divisors (13114439386).

13988735312 is an equidigital number, since it uses as much as digits as its factorization.

13988735312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874295965 (or 874295959 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 50.

The spelling of 13988735312 in words is "thirteen billion, nine hundred eighty-eight million, seven hundred thirty-five thousand, three hundred twelve".