64850636667347 has 4 divisors (see below), whose sum is σ = 64852139587296. Its totient is φ = 64849133747400.

The previous prime is 64850636667329. The next prime is 64850636667361. The reversal of 64850636667347 is 74376663605846.

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

It is a cyclic number.

It is not a de Polignac number, because 64850636667347 - 2¹⁴ = 64850636650963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64850636663347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751395248 + ... + 751481549.

It is an arithmetic number, because the mean of its divisors is an integer number (16213034896824).

Almost surely, 2^{64850636667347} is an apocalyptic number.

64850636667347 is a deficient number, since it is larger than the sum of its proper divisors (1502919949).

64850636667347 is a wasteful number, since it uses less digits than its factorization.

64850636667347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502919948.

The product of its (nonzero) digits is 2194698240, while the sum is 71.

The spelling of 64850636667347 in words is "sixty-four trillion, eight hundred fifty billion, six hundred thirty-six million, six hundred sixty-seven thousand, three hundred forty-seven".