71394794594 has 4 divisors (see below), whose sum is σ = 107092191894. Its totient is φ = 35697397296.

The previous prime is 71394794593. The next prime is 71394794677. The reversal of 71394794594 is 49549749317.

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

It can be written as a sum of positive squares in only one way, i.e., 70998267025 + 396527569 = 266455^2 + 19913^2 .

It is not an unprimeable number, because it can be changed into a prime (71394794593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17848698647 + ... + 17848698650.

Almost surely, 2^71394794594 is an apocalyptic number.

71394794594 is a deficient number, since it is larger than the sum of its proper divisors (35697397300).

71394794594 is a wasteful number, since it uses less digits than its factorization.

71394794594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35697397299.

The product of its digits is 34292160, while the sum is 62.

The spelling of 71394794594 in words is "seventy-one billion, three hundred ninety-four million, seven hundred ninety-four thousand, five hundred ninety-four".