2684148769 has 2 divisors, whose sum is σ = 2684148770. Its totient is φ = 2684148768.

The previous prime is 2684148697. The next prime is 2684148781. The reversal of 2684148769 is 9678414862.

It is a happy number.

Together with previous prime (2684148697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1987822225 + 696326544 = 44585^2 + 26388^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684148769 - 2⁷ = 2684148641 is a prime.

It is a super-2 number, since 2×2684148769² = 14409309228248430722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2684148469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342074384 + 1342074385.

It is an arithmetic number, because the mean of its divisors is an integer number (1342074385).

Almost surely, 2^2684148769 is an apocalyptic number.

It is an amenable number.

2684148769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684148769 is an equidigital number, since it uses as much as digits as its factorization.

2684148769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 55.

The square root of 2684148769 is about 51808.7711589457. The cubic root of 2684148769 is about 1389.7463037848.

The spelling of 2684148769 in words is "two billion, six hundred eighty-four million, one hundred forty-eight thousand, seven hundred sixty-nine".