13728397695 has 8 divisors (see below), whose sum is σ = 21965436336. Its totient is φ = 7321812096.

The previous prime is 13728397687. The next prime is 13728397703. The reversal of 13728397695 is 59679382731.

It is an interprime number because it is at equal distance from previous prime (13728397687) and next prime (13728397703).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13728397695 - 2³ = 13728397687 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457613242 + ... + 457613271.

It is an arithmetic number, because the mean of its divisors is an integer number (2745679542).

Almost surely, 2^13728397695 is an apocalyptic number.

13728397695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13728397695 is a deficient number, since it is larger than the sum of its proper divisors (8237038641).

13728397695 is an equidigital number, since it uses as much as digits as its factorization.

13728397695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915226521.

The product of its digits is 17146080, while the sum is 60.

The spelling of 13728397695 in words is "thirteen billion, seven hundred twenty-eight million, three hundred ninety-seven thousand, six hundred ninety-five".