13682951771391 has 160 divisors (see below), whose sum is σ = 25064340364800. Its totient is φ = 7264373725440.

The previous prime is 13682951771387. The next prime is 13682951771407. The reversal of 13682951771391 is 19317715928631.

13682951771391 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 29 + 517 + 7 + 1 + 3 + 91 = 666.

It is not a de Polignac number, because 13682951771391 - 2² = 13682951771387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13682951771381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1924732945 + ... + 1924740053.

It is an arithmetic number, because the mean of its divisors is an integer number (156652127280).

Almost surely, 2^{13682951771391} is an apocalyptic number.

13682951771391 is a deficient number, since it is larger than the sum of its proper divisors (11381388593409).

13682951771391 is a wasteful number, since it uses less digits than its factorization.

13682951771391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10571 (or 10562 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The spelling of 13682951771391 in words is "thirteen trillion, six hundred eighty-two billion, nine hundred fifty-one million, seven hundred seventy-one thousand, three hundred ninety-one".