6464540454646 has 16 divisors (see below), whose sum is σ = 9940584941280. Its totient is φ = 3151127485120.

The previous prime is 6464540454641. The next prime is 6464540454661.

6464540454646 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464540454641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28723261 + ... + 28947448.

It is an arithmetic number, because the mean of its divisors is an integer number (621286558830).

Almost surely, 2^{6464540454646} is an apocalyptic number.

6464540454646 is a deficient number, since it is larger than the sum of its proper divisors (3476044486634).

6464540454646 is a wasteful number, since it uses less digits than its factorization.

6464540454646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57672119.

The product of its (nonzero) digits is 132710400, while the sum is 58.

The spelling of 6464540454646 in words is "six trillion, four hundred sixty-four billion, five hundred forty million, four hundred fifty-four thousand, six hundred forty-six".