64308964027646 has 16 divisors (see below), whose sum is σ = 104521034509584. Its totient is φ = 29498967923904.

The previous prime is 64308964027631. The next prime is 64308964027661. The reversal of 64308964027646 is 64672046980346.

It is an interprime number because it is at equal distance from previous prime (64308964027631) and next prime (64308964027661).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7587178871 + ... + 7587187346.

It is an arithmetic number, because the mean of its divisors is an integer number (6532564656849).

Almost surely, 2^{64308964027646} is an apocalyptic number.

64308964027646 is a deficient number, since it is larger than the sum of its proper divisors (40212070481938).

64308964027646 is a wasteful number, since it uses less digits than its factorization.

64308964027646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15174366395.

The product of its (nonzero) digits is 250822656, while the sum is 65.

The spelling of 64308964027646 in words is "sixty-four trillion, three hundred eight billion, nine hundred sixty-four million, twenty-seven thousand, six hundred forty-six".