609632655 has 8 divisors (see below), whose sum is σ = 975412272. Its totient is φ = 325137408.

The previous prime is 609632623. The next prime is 609632671. The reversal of 609632655 is 556236906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 609632655 - 2⁵ = 609632623 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20321074 + ... + 20321103.

It is an arithmetic number, because the mean of its divisors is an integer number (121926534).

Almost surely, 2^609632655 is an apocalyptic number.

609632655 is a deficient number, since it is larger than the sum of its proper divisors (365779617).

609632655 is a wasteful number, since it uses less digits than its factorization.

609632655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40642185.

The product of its (nonzero) digits is 291600, while the sum is 42.

The square root of 609632655 is about 24690.7402683678. The cubic root of 609632655 is about 847.9223328172.

The spelling of 609632655 in words is "six hundred nine million, six hundred thirty-two thousand, six hundred fifty-five".