71081592593 has 16 divisors (see below), whose sum is σ = 78045932160. Its totient is φ = 64201363200.

The previous prime is 71081592581. The next prime is 71081592613. The reversal of 71081592593 is 39529518017.

It is a cyclic number.

It is not a de Polignac number, because 71081592593 - 2²² = 71077398289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71081591593) 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, 4292153 + ... + 4308681.

It is an arithmetic number, because the mean of its divisors is an integer number (4877870760).

Almost surely, 2^71081592593 is an apocalyptic number.

It is an amenable number.

71081592593 is a deficient number, since it is larger than the sum of its proper divisors (6964339567).

71081592593 is a wasteful number, since it uses less digits than its factorization.

71081592593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19048.

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 71081592593 in words is "seventy-one billion, eighty-one million, five hundred ninety-two thousand, five hundred ninety-three".