6464080804646 has 8 divisors (see below), whose sum is σ = 9792122407344. Its totient is φ = 3200040002200.

The previous prime is 6464080804637. The next prime is 6464080804663.

6464080804646 is nontrivially palindromic in base 10.

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

It is a super-3 number, since 3×6464080804646³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6464080804591 and 6464080804600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16000199810 + ... + 16000200213.

It is an arithmetic number, because the mean of its divisors is an integer number (1224015300918).

Almost surely, 2^{6464080804646} is an apocalyptic number.

6464080804646 is a deficient number, since it is larger than the sum of its proper divisors (3328041602698).

6464080804646 is a wasteful number, since it uses less digits than its factorization.

6464080804646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32000400126.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 6464080804646 in words is "six trillion, four hundred sixty-four billion, eighty million, eight hundred four thousand, six hundred forty-six".