64834643846 has 16 divisors (see below), whose sum is σ = 114977694240. Its totient is φ = 26828128320.

The previous prime is 64834643837. The next prime is 64834643897.

64834643846 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64834643791 and 64834643800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79845215 + ... + 79846026.

It is an arithmetic number, because the mean of its divisors is an integer number (7186105890).

Almost surely, 2^64834643846 is an apocalyptic number.

64834643846 is a deficient number, since it is larger than the sum of its proper divisors (50143050394).

64834643846 is a wasteful number, since it uses less digits than its factorization.

64834643846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159691279.

The product of its digits is 31850496, while the sum is 56.

The spelling of 64834643846 in words is "sixty-four billion, eight hundred thirty-four million, six hundred forty-three thousand, eight hundred forty-six".