2685134495044 has 9 divisors (see below), whose sum is σ = 4698991101567. Its totient is φ = 1342565608884.

The previous prime is 2685134495023. The next prime is 2685134495063. The reversal of 2685134495044 is 4405944315862.

The square root of 2685134495044 is 1638638.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2867617 + ... + 3686935.

Almost surely, 2^{2685134495044} is an apocalyptic number.

2685134495044 is the 1638638-th square number.

It is an amenable number.

2685134495044 is a deficient number, since it is larger than the sum of its proper divisors (2013856606523).

2685134495044 is an frugal number, since it uses more digits than its factorization.

2685134495044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638642 (or 819321 counting only the distinct ones).

The product of its (nonzero) digits is 16588800, while the sum is 55.

The spelling of 2685134495044 in words is "two trillion, six hundred eighty-five billion, one hundred thirty-four million, four hundred ninety-five thousand, forty-four".