464324511221 has 16 divisors (see below), whose sum is σ = 496047788544. Its totient is φ = 433573653744.

The previous prime is 464324511143. The next prime is 464324511227. The reversal of 464324511221 is 122115423464.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464324511221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464324511227) 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 15 ways as a sum of consecutive naturals, for example, 1720730 + ... + 1972196.

It is an arithmetic number, because the mean of its divisors is an integer number (31002986784).

Almost surely, 2^464324511221 is an apocalyptic number.

It is an amenable number.

464324511221 is a deficient number, since it is larger than the sum of its proper divisors (31723277323).

464324511221 is a wasteful number, since it uses less digits than its factorization.

464324511221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253400.

The product of its digits is 46080, while the sum is 35.

Adding to 464324511221 its reverse (122115423464), we get a palindrome (586439934685).

The spelling of 464324511221 in words is "four hundred sixty-four billion, three hundred twenty-four million, five hundred eleven thousand, two hundred twenty-one".