464321813 has 16 divisors (see below), whose sum is σ = 504015360. Its totient is φ = 426686400.

The previous prime is 464321807. The next prime is 464321821. The reversal of 464321813 is 318123464.

It is a cyclic number.

It is not a de Polignac number, because 464321813 - 2¹⁶ = 464256277 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 464321813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464321873) 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, 50606 + ... + 59072.

It is an arithmetic number, because the mean of its divisors is an integer number (31500960).

Almost surely, 2^464321813 is an apocalyptic number.

It is an amenable number.

464321813 is a deficient number, since it is larger than the sum of its proper divisors (39693547).

464321813 is a wasteful number, since it uses less digits than its factorization.

464321813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588.

The product of its digits is 13824, while the sum is 32.

The square root of 464321813 is about 21548.1278305100. The cubic root of 464321813 is about 774.3542664223.

The spelling of 464321813 in words is "four hundred sixty-four million, three hundred twenty-one thousand, eight hundred thirteen".