6464628264646 has 8 divisors (see below), whose sum is σ = 9698231392344. Its totient is φ = 3231884467200.

The previous prime is 6464628264613. The next prime is 6464628264727.

6464628264646 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 214813755 + ... + 214843846.

It is an arithmetic number, because the mean of its divisors is an integer number (1212278924043).

Almost surely, 2^{6464628264646} is an apocalyptic number.

6464628264646 is a deficient number, since it is larger than the sum of its proper divisors (3233603127698).

6464628264646 is a wasteful number, since it uses less digits than its factorization.

6464628264646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429665126.

The product of its digits is 382205952, while the sum is 64.

The spelling of 6464628264646 in words is "six trillion, four hundred sixty-four billion, six hundred twenty-eight million, two hundred sixty-four thousand, six hundred forty-six".