4648117327581 has 64 divisors (see below), whose sum is σ = 7645951143936. Its totient is φ = 2445884812800.

The previous prime is 4648117327571. The next prime is 4648117327589. The reversal of 4648117327581 is 1857237118464.

It is not a de Polignac number, because 4648117327581 - 2⁵ = 4648117327549 is a prime.

It is a super-2 number, since 2×4648117327581² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4648117327589) 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 63 ways as a sum of consecutive naturals, for example, 687486241 + ... + 687493001.

It is an arithmetic number, because the mean of its divisors is an integer number (119467986624).

Almost surely, 2^{4648117327581} is an apocalyptic number.

It is an amenable number.

4648117327581 is a deficient number, since it is larger than the sum of its proper divisors (2997833816355).

4648117327581 is a wasteful number, since it uses less digits than its factorization.

4648117327581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442.

The product of its digits is 9031680, while the sum is 57.

The spelling of 4648117327581 in words is "four trillion, six hundred forty-eight billion, one hundred seventeen million, three hundred twenty-seven thousand, five hundred eighty-one".