64281414389 has 4 divisors (see below), whose sum is σ = 64282036140. Its totient is φ = 64280792640.

The previous prime is 64281414377. The next prime is 64281414391. The reversal of 64281414389 is 98341418246.

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 can be written as a sum of positive squares in 2 ways, for example, as 27702939364 + 36578475025 = 166442^2 + 191255^2 .

It is a cyclic number.

It is not a de Polignac number, because 64281414389 - 2⁸ = 64281414133 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 (64281414319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114404 + ... + 376365.

It is an arithmetic number, because the mean of its divisors is an integer number (16070509035).

Almost surely, 2^64281414389 is an apocalyptic number.

It is an amenable number.

64281414389 is a deficient number, since it is larger than the sum of its proper divisors (621751).

64281414389 is a wasteful number, since it uses less digits than its factorization.

64281414389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621750.

The product of its digits is 1327104, while the sum is 50.

The spelling of 64281414389 in words is "sixty-four billion, two hundred eighty-one million, four hundred fourteen thousand, three hundred eighty-nine".