64550041534447 has 8 divisors (see below), whose sum is σ = 76151201073152. Its totient is φ = 53543813254200.

The previous prime is 64550041534441. The next prime is 64550041534507. The reversal of 64550041534447 is 74443514005546.

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

It is a cyclic number.

It is not a de Polignac number, because 64550041534447 - 2²³ = 64550033145839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64550041534394 and 64550041534403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64550041534441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148732814379 + ... + 148732814812.

It is an arithmetic number, because the mean of its divisors is an integer number (9518900134144).

Almost surely, 2^{64550041534447} is an apocalyptic number.

64550041534447 is a deficient number, since it is larger than the sum of its proper divisors (11601159538705).

64550041534447 is a wasteful number, since it uses less digits than its factorization.

64550041534447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297465629229.

The product of its (nonzero) digits is 16128000, while the sum is 52.

The spelling of 64550041534447 in words is "sixty-four trillion, five hundred fifty billion, forty-one million, five hundred thirty-four thousand, four hundred forty-seven".