2683714921 has 4 divisors (see below), whose sum is σ = 2688621712. Its totient is φ = 2678808132.

The previous prime is 2683714909. The next prime is 2683714931. The reversal of 2683714921 is 1294173862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1294173862 = 2 ⋅647086931.

It is a cyclic number.

It is not a de Polignac number, because 2683714921 - 2⁵ = 2683714889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2683714931) 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, 2452575 + ... + 2453668.

It is an arithmetic number, because the mean of its divisors is an integer number (672155428).

Almost surely, 2^2683714921 is an apocalyptic number.

It is an amenable number.

2683714921 is a deficient number, since it is larger than the sum of its proper divisors (4906791).

2683714921 is an equidigital number, since it uses as much as digits as its factorization.

2683714921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906790.

The product of its digits is 145152, while the sum is 43.

The square root of 2683714921 is about 51804.5839767100. The cubic root of 2683714921 is about 1389.6714232927.

The spelling of 2683714921 in words is "two billion, six hundred eighty-three million, seven hundred fourteen thousand, nine hundred twenty-one".