13071658279681 has 8 divisors (see below), whose sum is σ = 13424999709824. Its totient is φ = 12718319658480.

The previous prime is 13071658279679. The next prime is 13071658279727. The reversal of 13071658279681 is 18697285617031.

13071658279681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13071658279681 - 2¹ = 13071658279679 is a prime.

It is a super-2 number, since 2×13071658279681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13071658279621) 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, 11608696 + ... + 12684838.

It is an arithmetic number, because the mean of its divisors is an integer number (1678124963728).

Almost surely, 2^{13071658279681} is an apocalyptic number.

It is an amenable number.

13071658279681 is a deficient number, since it is larger than the sum of its proper divisors (353341430143).

13071658279681 is a wasteful number, since it uses less digits than its factorization.

13071658279681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404471.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 13071658279681 in words is "thirteen trillion, seventy-one billion, six hundred fifty-eight million, two hundred seventy-nine thousand, six hundred eighty-one".