64334643346 has 8 divisors (see below), whose sum is σ = 97723509120. Its totient is φ = 31760140308.

The previous prime is 64334643337. The next prime is 64334643403.

It is a happy number.

64334643346 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64334643296 and 64334643305.

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 3 ways as a sum of consecutive naturals, for example, 203590486 + ... + 203590801.

It is an arithmetic number, because the mean of its divisors is an integer number (12215438640).

Almost surely, 2^64334643346 is an apocalyptic number.

64334643346 is a deficient number, since it is larger than the sum of its proper divisors (33388865774).

64334643346 is a wasteful number, since it uses less digits than its factorization.

64334643346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407181368.

The product of its digits is 4478976, while the sum is 46.

The spelling of 64334643346 in words is "sixty-four billion, three hundred thirty-four million, six hundred forty-three thousand, three hundred forty-six".