64842258129 has 16 divisors (see below), whose sum is σ = 94463181504. Its totient is φ = 39237017600.

The previous prime is 64842258073. The next prime is 64842258139. The reversal of 64842258129 is 92185224846.

It is not a de Polignac number, because 64842258129 - 2⁷ = 64842258001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64842258139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511544 + ... + 1553849.

It is an arithmetic number, because the mean of its divisors is an integer number (5903948844).

Almost surely, 2^64842258129 is an apocalyptic number.

It is an amenable number.

64842258129 is a deficient number, since it is larger than the sum of its proper divisors (29620923375).

64842258129 is a wasteful number, since it uses less digits than its factorization.

64842258129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066048.

The product of its digits is 2211840, while the sum is 51.

The spelling of 64842258129 in words is "sixty-four billion, eight hundred forty-two million, two hundred fifty-eight thousand, one hundred twenty-nine".