64381428029 has 16 divisors (see below), whose sum is σ = 69813273600. Its totient is φ = 59195642880.

The previous prime is 64381428019. The next prime is 64381428037. The reversal of 64381428029 is 92082418346.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64381428029 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 (64381428019) 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 15 ways as a sum of consecutive naturals, for example, 196772 + ... + 409245.

It is an arithmetic number, because the mean of its divisors is an integer number (4363329600).

Almost surely, 2^64381428029 is an apocalyptic number.

It is an amenable number.

64381428029 is a deficient number, since it is larger than the sum of its proper divisors (5431845571).

64381428029 is a wasteful number, since it uses less digits than its factorization.

64381428029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606220.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 64381428029 in words is "sixty-four billion, three hundred eighty-one million, four hundred twenty-eight thousand, twenty-nine".