71828179913 has 16 divisors (see below), whose sum is σ = 82584552960. Its totient is φ = 61195953600.

The previous prime is 71828179859. The next prime is 71828179919. The reversal of 71828179913 is 31997182817.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 71828179913 - 2⁶ = 71828179849 is a prime.

It is a super-2 number, since 2×71828179913² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (71828179919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699408 + ... + 2725886.

It is an arithmetic number, because the mean of its divisors is an integer number (5161534560).

Almost surely, 2^71828179913 is an apocalyptic number.

It is an amenable number.

71828179913 is a deficient number, since it is larger than the sum of its proper divisors (10756373047).

71828179913 is a wasteful number, since it uses less digits than its factorization.

71828179913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808.

The product of its digits is 1524096, while the sum is 56.

The spelling of 71828179913 in words is "seventy-one billion, eight hundred twenty-eight million, one hundred seventy-nine thousand, nine hundred thirteen".