609291051555 has 32 divisors (see below), whose sum is σ = 1042062174720. Its totient is φ = 303245592320.

The previous prime is 609291051527. The next prime is 609291051599. The reversal of 609291051555 is 555150192906.

It is not a de Polignac number, because 609291051555 - 2²⁴ = 609274274339 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21523185 + ... + 21551474.

It is an arithmetic number, because the mean of its divisors is an integer number (32564442960).

Almost surely, 2^609291051555 is an apocalyptic number.

609291051555 is a deficient number, since it is larger than the sum of its proper divisors (432771123165).

609291051555 is a wasteful number, since it uses less digits than its factorization.

609291051555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43074731.

The product of its (nonzero) digits is 607500, while the sum is 48.

The spelling of 609291051555 in words is "six hundred nine billion, two hundred ninety-one million, fifty-one thousand, five hundred fifty-five".