2609118505986 has 32 divisors (see below), whose sum is σ = 5359370247168. Its totient is φ = 846184838400.

The previous prime is 2609118505957. The next prime is 2609118505991. The reversal of 2609118505986 is 6895058119062.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20919711 + ... + 21044061.

It is an arithmetic number, because the mean of its divisors is an integer number (167480320224).

Almost surely, 2^{2609118505986} is an apocalyptic number.

2609118505986 is an abundant number, since it is smaller than the sum of its proper divisors (2750251741182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2609118505986 is a wasteful number, since it uses less digits than its factorization.

2609118505986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218906.

The product of its (nonzero) digits is 9331200, while the sum is 60.

The spelling of 2609118505986 in words is "two trillion, six hundred nine billion, one hundred eighteen million, five hundred five thousand, nine hundred eighty-six".