2684199653 has 4 divisors (see below), whose sum is σ = 2728202988. Its totient is φ = 2640196320.

The previous prime is 2684199629. The next prime is 2684199667. The reversal of 2684199653 is 3569914862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65011969 + 2619187684 = 8063^2 + 51178^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684199653 - 2²⁴ = 2667422437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2684199595 and 2684199604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684199253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22001576 + ... + 22001697.

It is an arithmetic number, because the mean of its divisors is an integer number (682050747).

Almost surely, 2^2684199653 is an apocalyptic number.

It is an amenable number.

2684199653 is a deficient number, since it is larger than the sum of its proper divisors (44003335).

2684199653 is an equidigital number, since it uses as much as digits as its factorization.

2684199653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44003334.

The product of its digits is 2799360, while the sum is 53.

The square root of 2684199653 is about 51809.2622317670. The cubic root of 2684199653 is about 1389.7550856383.

The spelling of 2684199653 in words is "two billion, six hundred eighty-four million, one hundred ninety-nine thousand, six hundred fifty-three".