6468304038646 has 4 divisors (see below), whose sum is σ = 9702456057972. Its totient is φ = 3234152019322.

The previous prime is 6468304038643. The next prime is 6468304038653.

It is a happy number.

6468304038646 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468304038643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1617076009660 + ... + 1617076009663.

It is an arithmetic number, because the mean of its divisors is an integer number (2425614014493).

Almost surely, 2^{6468304038646} is an apocalyptic number.

6468304038646 is a deficient number, since it is larger than the sum of its proper divisors (3234152019326).

6468304038646 is a wasteful number, since it uses less digits than its factorization.

6468304038646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234152019325.

The product of its (nonzero) digits is 47775744, while the sum is 58.

The spelling of 6468304038646 in words is "six trillion, four hundred sixty-eight billion, three hundred four million, thirty-eight thousand, six hundred forty-six".