2681754985 has 64 divisors (see below), whose sum is σ = 4092092928. Its totient is φ = 1641959424.

The previous prime is 2681754941. The next prime is 2681754997. The reversal of 2681754985 is 5894571862.

It is a happy number.

It is not a de Polignac number, because 2681754985 - 2¹¹ = 2681752937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2210239 + ... + 2211451.

It is an arithmetic number, because the mean of its divisors is an integer number (63938952).

Almost surely, 2^2681754985 is an apocalyptic number.

It is an amenable number.

2681754985 is a deficient number, since it is larger than the sum of its proper divisors (1410337943).

2681754985 is a wasteful number, since it uses less digits than its factorization.

2681754985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394.

The product of its digits is 4838400, while the sum is 55.

The square root of 2681754985 is about 51785.6638945568. The cubic root of 2681754985 is about 1389.3330452809. Note that the first 3 decimals are identical.

The spelling of 2681754985 in words is "two billion, six hundred eighty-one million, seven hundred fifty-four thousand, nine hundred eighty-five".