13568148691 has 8 divisors (see below), whose sum is σ = 14306604480. Its totient is φ = 12832127208.

The previous prime is 13568148689. The next prime is 13568148703. The reversal of 13568148691 is 19684186531.

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

It is a cyclic number.

It is not a de Polignac number, because 13568148691 - 2¹ = 13568148689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13568148641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597121 + ... + 619426.

It is an arithmetic number, because the mean of its divisors is an integer number (1788325560).

Almost surely, 2^13568148691 is an apocalyptic number.

13568148691 is a deficient number, since it is larger than the sum of its proper divisors (738455789).

13568148691 is a wasteful number, since it uses less digits than its factorization.

13568148691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217153.

The product of its digits is 1244160, while the sum is 52.

The spelling of 13568148691 in words is "thirteen billion, five hundred sixty-eight million, one hundred forty-eight thousand, six hundred ninety-one".