64006198539 has 8 divisors (see below), whose sum is σ = 85347141840. Its totient is φ = 42668027136.

The previous prime is 64006198493. The next prime is 64006198541. The reversal of 64006198539 is 93589160046.

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

It is not a de Polignac number, because 64006198539 - 2¹¹ = 64006196491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64006198491 and 64006198500.

It is not an unprimeable number, because it can be changed into a prime (64006198559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638482 + ... + 731895.

It is an arithmetic number, because the mean of its divisors is an integer number (10668392730).

Almost surely, 2^64006198539 is an apocalyptic number.

64006198539 is a deficient number, since it is larger than the sum of its proper divisors (21340943301).

64006198539 is a wasteful number, since it uses less digits than its factorization.

64006198539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385949.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 64006198539 in words is "sixty-four billion, six million, one hundred ninety-eight thousand, five hundred thirty-nine".