64153362647 has 16 divisors (see below), whose sum is σ = 70217280000. Its totient is φ = 58128392640.

The previous prime is 64153362617. The next prime is 64153362671. The reversal of 64153362647 is 74626335146.

It is a cyclic number.

It is not a de Polignac number, because 64153362647 - 2²⁰ = 64152314071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64153362607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4433378 + ... + 4447824.

It is an arithmetic number, because the mean of its divisors is an integer number (4388580000).

Almost surely, 2^64153362647 is an apocalyptic number.

64153362647 is a deficient number, since it is larger than the sum of its proper divisors (6063917353).

64153362647 is a wasteful number, since it uses less digits than its factorization.

64153362647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15766.

The product of its digits is 2177280, while the sum is 47.

The spelling of 64153362647 in words is "sixty-four billion, one hundred fifty-three million, three hundred sixty-two thousand, six hundred forty-seven".