609665463 has 24 divisors (see below), whose sum is σ = 993816720. Its totient is φ = 356751360.

The previous prime is 609665443. The next prime is 609665471. The reversal of 609665463 is 364566906.

609665463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609665463 - 2¹⁷ = 609534391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609665443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103306 + ... + 109047.

It is an arithmetic number, because the mean of its divisors is an integer number (41409030).

Almost surely, 2^609665463 is an apocalyptic number.

609665463 is a deficient number, since it is larger than the sum of its proper divisors (384151257).

609665463 is a wasteful number, since it uses less digits than its factorization.

609665463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212399 (or 212396 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The square root of 609665463 is about 24691.4046380517. The cubic root of 609665463 is about 847.9375431446.

The spelling of 609665463 in words is "six hundred nine million, six hundred sixty-five thousand, four hundred sixty-three".