64347075271 has 4 divisors (see below), whose sum is σ = 64347600352. Its totient is φ = 64346550192.

The previous prime is 64347075259. The next prime is 64347075283. The reversal of 64347075271 is 17257074346.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (64347075259) and next prime (64347075283).

It is a cyclic number.

It is not a de Polignac number, because 64347075271 - 2⁵ = 64347075239 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 (64347075671) 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, 29755 + ... + 359971.

It is an arithmetic number, because the mean of its divisors is an integer number (16086900088).

Almost surely, 2^64347075271 is an apocalyptic number.

64347075271 is a deficient number, since it is larger than the sum of its proper divisors (525081).

64347075271 is a wasteful number, since it uses less digits than its factorization.

64347075271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525080.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 64347075271 in words is "sixty-four billion, three hundred forty-seven million, seventy-five thousand, two hundred seventy-one".