64313555531347 has 4 divisors (see below), whose sum is σ = 64313703071496. Its totient is φ = 64313407991200.

The previous prime is 64313555531339. The next prime is 64313555531359. The reversal of 64313555531347 is 74313555531346.

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 64313555531347 - 2³ = 64313555531339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64313555531047) 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, 73114273 + ... + 73988674.

It is an arithmetic number, because the mean of its divisors is an integer number (16078425767874).

Almost surely, 2^{64313555531347} is an apocalyptic number.

64313555531347 is a deficient number, since it is larger than the sum of its proper divisors (147540149).

64313555531347 is a wasteful number, since it uses less digits than its factorization.

64313555531347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147540148.

The product of its digits is 34020000, while the sum is 55.

Subtracting 64313555531347 from its reverse (74313555531346), we obtain a palindrome (9999999999999).

The spelling of 64313555531347 in words is "sixty-four trillion, three hundred thirteen billion, five hundred fifty-five million, five hundred thirty-one thousand, three hundred forty-seven".