609042837985 has 8 divisors (see below), whose sum is σ = 746401435776. Its totient is φ = 476867583600.

The previous prime is 609042837973. The next prime is 609042838007. The reversal of 609042837985 is 589738240906.

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

It is not a de Polignac number, because 609042837985 - 2¹⁷ = 609042706913 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1295835591 + ... + 1295836060.

It is an arithmetic number, because the mean of its divisors is an integer number (93300179472).

Almost surely, 2^609042837985 is an apocalyptic number.

It is an amenable number.

609042837985 is a deficient number, since it is larger than the sum of its proper divisors (137358597791).

609042837985 is a wasteful number, since it uses less digits than its factorization.

609042837985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591671703.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 609042837985 in words is "six hundred nine billion, forty-two million, eight hundred thirty-seven thousand, nine hundred eighty-five".