8131827357413 has 4 divisors (see below), whose sum is σ = 8168292951168. Its totient is φ = 8095361763660.

The previous prime is 8131827357397. The next prime is 8131827357443. The reversal of 8131827357413 is 3147537281318.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8131827357413 - 2⁴ = 8131827357397 is a prime.

It is a super-2 number, since 2×8131827357413² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8131827357443) 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, 18232796543 + ... + 18232796988.

It is an arithmetic number, because the mean of its divisors is an integer number (2042073237792).

Almost surely, 2^{8131827357413} is an apocalyptic number.

It is an amenable number.

8131827357413 is a deficient number, since it is larger than the sum of its proper divisors (36465593755).

8131827357413 is a wasteful number, since it uses less digits than its factorization.

8131827357413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36465593754.

The product of its digits is 3386880, while the sum is 53.

The spelling of 8131827357413 in words is "eight trillion, one hundred thirty-one billion, eight hundred twenty-seven million, three hundred fifty-seven thousand, four hundred thirteen".