64346433464346 has 16 divisors (see below), whose sum is σ = 140392218467808. Its totient is φ = 19498919231600.

The previous prime is 64346433464333. The next prime is 64346433464353.

64346433464346 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 64346433464346.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487472980725 + ... + 487472980856.

It is an arithmetic number, because the mean of its divisors is an integer number (8774513654238).

Almost surely, 2^{64346433464346} is an apocalyptic number.

64346433464346 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64346433464346 is an abundant number, since it is smaller than the sum of its proper divisors (76045785003462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64346433464346 is a wasteful number, since it uses less digits than its factorization.

64346433464346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974945961597.

The product of its digits is 429981696, while the sum is 60.

It can be divided in two parts, 6434643 and 3464346, that added together give a palindrome (9898989).

The spelling of 64346433464346 in words is "sixty-four trillion, three hundred forty-six billion, four hundred thirty-three million, four hundred sixty-four thousand, three hundred forty-six".