2684611913 has 2 divisors, whose sum is σ = 2684611914. Its totient is φ = 2684611912.

The previous prime is 2684611889. The next prime is 2684611921. The reversal of 2684611913 is 3191164862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2591624464 + 92987449 = 50908^2 + 9643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2684611913 is a prime.

It is a super-2 number, since 2×2684611913² = 14414282246843039138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2684611513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342305956 + 1342305957.

It is an arithmetic number, because the mean of its divisors is an integer number (1342305957).

Almost surely, 2^2684611913 is an apocalyptic number.

It is an amenable number.

2684611913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684611913 is an equidigital number, since it uses as much as digits as its factorization.

2684611913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 2684611913 is about 51813.2407112313. The cubic root of 2684611913 is about 1389.8262317496.

The spelling of 2684611913 in words is "two billion, six hundred eighty-four million, six hundred eleven thousand, nine hundred thirteen".