480693661 has 4 divisors (see below), whose sum is σ = 549364192. Its totient is φ = 412023132.

The previous prime is 480693637. The next prime is 480693667. The reversal of 480693661 is 166396084.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 480693661 - 2¹⁹ = 480169373 is a prime.

It is a super-3 number, since 3×480693661³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (480693667) 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, 34335255 + ... + 34335268.

It is an arithmetic number, because the mean of its divisors is an integer number (137341048).

Almost surely, 2^480693661 is an apocalyptic number.

It is an amenable number.

480693661 is a deficient number, since it is larger than the sum of its proper divisors (68670531).

480693661 is an equidigital number, since it uses as much as digits as its factorization.

480693661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68670530.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 480693661 is about 21924.7271590777. The cubic root of 480693661 is about 783.3505121126.

The spelling of 480693661 in words is "four hundred eighty million, six hundred ninety-three thousand, six hundred sixty-one".