46321351681 has 64 divisors (see below), whose sum is σ = 58084853760. Its totient is φ = 36417024000.

The previous prime is 46321351667. The next prime is 46321351709. The reversal of 46321351681 is 18615312364.

46321351681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 46321351681 - 2⁵ = 46321351649 is a prime.

It is a super-2 number, since 2×46321351681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (46321351781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10252635 + ... + 10257151.

It is an arithmetic number, because the mean of its divisors is an integer number (907575840).

Almost surely, 2^46321351681 is an apocalyptic number.

It is an amenable number.

46321351681 is a deficient number, since it is larger than the sum of its proper divisors (11763502079).

46321351681 is a wasteful number, since it uses less digits than its factorization.

46321351681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666.

The product of its digits is 103680, while the sum is 40.

The spelling of 46321351681 in words is "forty-six billion, three hundred twenty-one million, three hundred fifty-one thousand, six hundred eighty-one".