464364661 has 4 divisors (see below), whose sum is σ = 465148332. Its totient is φ = 463580992.

The previous prime is 464364643. The next prime is 464364671. The reversal of 464364661 is 166463464.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127825636 + 336539025 = 11306^2 + 18345^2 .

It is a cyclic number.

It is not a de Polignac number, because 464364661 - 2⁷ = 464364533 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 (464364631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390946 + ... + 392131.

It is an arithmetic number, because the mean of its divisors is an integer number (116287083).

Almost surely, 2^464364661 is an apocalyptic number.

It is an amenable number.

464364661 is a deficient number, since it is larger than the sum of its proper divisors (783671).

464364661 is an equidigital number, since it uses as much as digits as its factorization.

464364661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783670.

The product of its digits is 248832, while the sum is 40.

The square root of 464364661 is about 21549.1220470812. The cubic root of 464364661 is about 774.3780850399.

The spelling of 464364661 in words is "four hundred sixty-four million, three hundred sixty-four thousand, six hundred sixty-one".