71489553417 has 12 divisors (see below), whose sum is σ = 103269264384. Its totient is φ = 47656667160.

The previous prime is 71489553407. The next prime is 71489553439. The reversal of 71489553417 is 71435598417.

71489553417 is a `hidden beast` number, since 7 + 1 + 4 + 8 + 95 + 534 + 17 = 666.

It is not a de Polignac number, because 71489553417 - 2¹⁴ = 71489537033 is a prime.

It is a super-2 number, since 2×71489553417² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71489553407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98809 + ... + 390822.

It is an arithmetic number, because the mean of its divisors is an integer number (8605772032).

Almost surely, 2^71489553417 is an apocalyptic number.

It is an amenable number.

71489553417 is a deficient number, since it is larger than the sum of its proper divisors (31779710967).

71489553417 is a wasteful number, since it uses less digits than its factorization.

71489553417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505860 (or 505857 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 71489553417 in words is "seventy-one billion, four hundred eighty-nine million, five hundred fifty-three thousand, four hundred seventeen".