13741378691 has 4 divisors (see below), whose sum is σ = 13751476584. Its totient is φ = 13731280800.

The previous prime is 13741378687. The next prime is 13741378697. The reversal of 13741378691 is 19687314731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13741378691 - 2² = 13741378687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13741378697) 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, 5046905 + ... + 5049626.

It is an arithmetic number, because the mean of its divisors is an integer number (3437869146).

Almost surely, 2^13741378691 is an apocalyptic number.

13741378691 is a deficient number, since it is larger than the sum of its proper divisors (10097893).

13741378691 is a wasteful number, since it uses less digits than its factorization.

13741378691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097892.

The product of its digits is 762048, while the sum is 50.

The spelling of 13741378691 in words is "thirteen billion, seven hundred forty-one million, three hundred seventy-eight thousand, six hundred ninety-one".