71810058489 has 16 divisors (see below), whose sum is σ = 103160159424. Its totient is φ = 44170113600.

The previous prime is 71810058473. The next prime is 71810058503. The reversal of 71810058489 is 98485001817.

It is a happy number.

It is not a de Polignac number, because 71810058489 - 2⁴ = 71810058473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71810057489) 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, 346507 + ... + 513504.

It is an arithmetic number, because the mean of its divisors is an integer number (6447509964).

Almost surely, 2^71810058489 is an apocalyptic number.

It is an amenable number.

71810058489 is a deficient number, since it is larger than the sum of its proper divisors (31350100935).

71810058489 is a wasteful number, since it uses less digits than its factorization.

71810058489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862168.

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 71810058489 in words is "seventy-one billion, eight hundred ten million, fifty-eight thousand, four hundred eighty-nine".