71863129134719 has 8 divisors (see below), whose sum is σ = 78451213682352. Its totient is φ = 65426494806720.

The previous prime is 71863129134707. The next prime is 71863129134781. The reversal of 71863129134719 is 91743192136817.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71863129134719 is a prime.

It is a super-2 number, since 2×71863129134719² (a number of 29 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 (71863129134019) 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, 37862553917 + ... + 37862555814.

It is an arithmetic number, because the mean of its divisors is an integer number (9806401710294).

Almost surely, 2^{71863129134719} is an apocalyptic number.

71863129134719 is a deficient number, since it is larger than the sum of its proper divisors (6588084547633).

71863129134719 is a wasteful number, since it uses less digits than its factorization.

71863129134719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75725109817.

The product of its digits is 13716864, while the sum is 62.

The spelling of 71863129134719 in words is "seventy-one trillion, eight hundred sixty-three billion, one hundred twenty-nine million, one hundred thirty-four thousand, seven hundred nineteen".