64481605577299 has 8 divisors (see below), whose sum is σ = 64502583026112. Its totient is φ = 64460629145280.

The previous prime is 64481605577297. The next prime is 64481605577351. The reversal of 64481605577299 is 99277550618446.

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 64481605577299 - 2¹ = 64481605577297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64481605577297) 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, 138907287 + ... + 139370719.

It is an arithmetic number, because the mean of its divisors is an integer number (8062822878264).

Almost surely, 2^{64481605577299} is an apocalyptic number.

64481605577299 is a deficient number, since it is larger than the sum of its proper divisors (20977448813).

64481605577299 is a wasteful number, since it uses less digits than its factorization.

64481605577299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508397.

The product of its (nonzero) digits is 914457600, while the sum is 73.

The spelling of 64481605577299 in words is "sixty-four trillion, four hundred eighty-one billion, six hundred five million, five hundred seventy-seven thousand, two hundred ninety-nine".