71539103350989 has 16 divisors (see below), whose sum is σ = 106080469309440. Its totient is φ = 47649259945440.

The previous prime is 71539103350961. The next prime is 71539103350993. The reversal of 71539103350989 is 98905330193517.

71539103350989 is a `hidden beast` number, since 7 + 1 + 5 + 3 + 9 + 10 + 33 + 509 + 89 = 666.

It is not a de Polignac number, because 71539103350989 - 2¹¹ = 71539103348941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71539103350909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1207625997 + ... + 1207685234.

It is an arithmetic number, because the mean of its divisors is an integer number (6630029331840).

Almost surely, 2^{71539103350989} is an apocalyptic number.

It is an amenable number.

71539103350989 is a deficient number, since it is larger than the sum of its proper divisors (34541365958451).

71539103350989 is a wasteful number, since it uses less digits than its factorization.

71539103350989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415312337 (or 2415312331 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 63.

The spelling of 71539103350989 in words is "seventy-one trillion, five hundred thirty-nine billion, one hundred three million, three hundred fifty thousand, nine hundred eighty-nine".