71046410405 has 4 divisors (see below), whose sum is σ = 85255692492. Its totient is φ = 56837128320.

The previous prime is 71046410363. The next prime is 71046410417. The reversal of 71046410405 is 50401464017.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8048422369 + 62997988036 = 89713^2 + 250994^2 .

It is not a de Polignac number, because 71046410405 - 2⁶ = 71046410341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7104641036 + ... + 7104641045.

It is an arithmetic number, because the mean of its divisors is an integer number (21313923123).

Almost surely, 2^71046410405 is an apocalyptic number.

It is an amenable number.

71046410405 is a deficient number, since it is larger than the sum of its proper divisors (14209282087).

71046410405 is a wasteful number, since it uses less digits than its factorization.

71046410405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14209282086.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 71046410405 in words is "seventy-one billion, forty-six million, four hundred ten thousand, four hundred five".