464431513616623 has 16 divisors (see below), whose sum is σ = 538752486653440. Its totient is φ = 392105081006496.

The previous prime is 464431513616561. The next prime is 464431513616627. The reversal of 464431513616623 is 326616315134464.

It is not a de Polignac number, because 464431513616623 - 2⁹ = 464431513616111 is a prime.

It is a super-3 number, since 3×464431513616623³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464431513616627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42464763 + ... + 52269676.

It is an arithmetic number, because the mean of its divisors is an integer number (33672030415840).

Almost surely, 2^{464431513616623} is an apocalyptic number.

464431513616623 is a deficient number, since it is larger than the sum of its proper divisors (74320973036817).

464431513616623 is a wasteful number, since it uses less digits than its factorization.

464431513616623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94744966.

The product of its digits is 22394880, while the sum is 55.

The spelling of 464431513616623 in words is "four hundred sixty-four trillion, four hundred thirty-one billion, five hundred thirteen million, six hundred sixteen thousand, six hundred twenty-three".