2684944837 has 2 divisors, whose sum is σ = 2684944838. Its totient is φ = 2684944836.

The previous prime is 2684944781. The next prime is 2684944883. The reversal of 2684944837 is 7384494862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2509408836 + 175536001 = 50094^2 + 13249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2684944837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2684944637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342472418 + 1342472419.

It is an arithmetic number, because the mean of its divisors is an integer number (1342472419).

Almost surely, 2^2684944837 is an apocalyptic number.

It is an amenable number.

2684944837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684944837 is an equidigital number, since it uses as much as digits as its factorization.

2684944837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 55.

The square root of 2684944837 is about 51816.4533425436. The cubic root of 2684944837 is about 1389.8836810691.

The spelling of 2684944837 in words is "two billion, six hundred eighty-four million, nine hundred forty-four thousand, eight hundred thirty-seven".