64113261458513 has 8 divisors (see below), whose sum is σ = 71457505031520. Its totient is φ = 57166004024640.

The previous prime is 64113261458501. The next prime is 64113261458527. The reversal of 64113261458513 is 31585416231146.

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 64113261458513 - 2²⁰ = 64113260409937 is a prime.

It is a super-3 number, since 3×64113261458513³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64113261458563) 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, 99246534443 + ... + 99246535088.

It is an arithmetic number, because the mean of its divisors is an integer number (8932188128940).

Almost surely, 2^{64113261458513} is an apocalyptic number.

It is an amenable number.

64113261458513 is a deficient number, since it is larger than the sum of its proper divisors (7344243573007).

64113261458513 is a wasteful number, since it uses less digits than its factorization.

64113261458513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198493069567.

The product of its digits is 2073600, while the sum is 50.

Adding to 64113261458513 its reverse (31585416231146), we get a palindrome (95698677689659).

The spelling of 64113261458513 in words is "sixty-four trillion, one hundred thirteen billion, two hundred sixty-one million, four hundred fifty-eight thousand, five hundred thirteen".