64314163385439 has 16 divisors (see below), whose sum is σ = 93582897682944. Its totient is φ = 38963687644800.

The previous prime is 64314163385429. The next prime is 64314163385491. The reversal of 64314163385439 is 93458336141346.

It is not a de Polignac number, because 64314163385439 - 2⁴⁵ = 29129791296607 is a prime.

It is a super-2 number, since 2×64314163385439² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64314163385429) 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 15 ways as a sum of consecutive naturals, for example, 364740394 + ... + 364916679.

It is an arithmetic number, because the mean of its divisors is an integer number (5848931105184).

Almost surely, 2^{64314163385439} is an apocalyptic number.

64314163385439 is a deficient number, since it is larger than the sum of its proper divisors (29268734297505).

64314163385439 is a wasteful number, since it uses less digits than its factorization.

64314163385439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729659758.

The product of its digits is 67184640, while the sum is 60.

The spelling of 64314163385439 in words is "sixty-four trillion, three hundred fourteen billion, one hundred sixty-three million, three hundred eighty-five thousand, four hundred thirty-nine".