2684461665 has 16 divisors (see below), whose sum is σ = 4298040000. Its totient is φ = 1430745792.

The previous prime is 2684461657. The next prime is 2684461669. The reversal of 2684461665 is 5661644862.

It is not a de Polignac number, because 2684461665 - 2³ = 2684461657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2684461669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37210 + ... + 82179.

It is an arithmetic number, because the mean of its divisors is an integer number (268627500).

Almost surely, 2^2684461665 is an apocalyptic number.

It is an amenable number.

2684461665 is a deficient number, since it is larger than the sum of its proper divisors (1613578335).

2684461665 is a wasteful number, since it uses less digits than its factorization.

2684461665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120896.

The product of its digits is 1658880, while the sum is 48.

The square root of 2684461665 is about 51811.7907912861. The cubic root of 2684461665 is about 1389.8003034201.

The spelling of 2684461665 in words is "two billion, six hundred eighty-four million, four hundred sixty-one thousand, six hundred sixty-five".