71298788913 has 24 divisors (see below), whose sum is σ = 112531205280. Its totient is φ = 43141541760.

The previous prime is 71298788893. The next prime is 71298788927. The reversal of 71298788913 is 31988789217.

It is not a de Polignac number, because 71298788913 - 2⁶ = 71298788849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71298788933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520456 + ... + 643017.

It is an arithmetic number, because the mean of its divisors is an integer number (4688800220).

Almost surely, 2^71298788913 is an apocalyptic number.

It is an amenable number.

71298788913 is a deficient number, since it is larger than the sum of its proper divisors (41232416367).

71298788913 is a wasteful number, since it uses less digits than its factorization.

71298788913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164109 (or 1164106 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 63.

The spelling of 71298788913 in words is "seventy-one billion, two hundred ninety-eight million, seven hundred eighty-eight thousand, nine hundred thirteen".