13961744927 has 16 divisors (see below), whose sum is σ = 15195660480. Its totient is φ = 12751022592.

The previous prime is 13961744917. The next prime is 13961744963. The reversal of 13961744927 is 72944716931.

It is a cyclic number.

It is not a de Polignac number, because 13961744927 - 2⁴ = 13961744911 is a prime.

It is a super-2 number, since 2×13961744927² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13961744917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023383 + ... + 1036935.

It is an arithmetic number, because the mean of its divisors is an integer number (949728780).

Almost surely, 2^13961744927 is an apocalyptic number.

13961744927 is a deficient number, since it is larger than the sum of its proper divisors (1233915553).

13961744927 is a wasteful number, since it uses less digits than its factorization.

13961744927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14402.

The product of its digits is 2286144, while the sum is 53.

The spelling of 13961744927 in words is "thirteen billion, nine hundred sixty-one million, seven hundred forty-four thousand, nine hundred twenty-seven".