71350849967 has 4 divisors (see below), whose sum is σ = 75106157880. Its totient is φ = 67595542056.

The previous prime is 71350849949. The next prime is 71350850027. The reversal of 71350849967 is 76994805317.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76994805317 = 138967 ⋅554051.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71350849967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71350849937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877653928 + ... + 1877653965.

It is an arithmetic number, because the mean of its divisors is an integer number (18776539470).

Almost surely, 2^71350849967 is an apocalyptic number.

71350849967 is a deficient number, since it is larger than the sum of its proper divisors (3755307913).

71350849967 is a wasteful number, since it uses less digits than its factorization.

71350849967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755307912.

The product of its (nonzero) digits is 11430720, while the sum is 59.

The spelling of 71350849967 in words is "seventy-one billion, three hundred fifty million, eight hundred forty-nine thousand, nine hundred sixty-seven".