2826829381 has 2 divisors, whose sum is σ = 2826829382. Its totient is φ = 2826829380.

The previous prime is 2826829351. The next prime is 2826829391. The reversal of 2826829381 is 1839286282.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2788896100 + 37933281 = 52810^2 + 6159^2 .

It is a cyclic number.

It is not a de Polignac number, because 2826829381 - 2⁵ = 2826829349 is a prime.

It is a super-2 number, since 2×2826829381² = 15981928698569686322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2826829321) 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, 1413414690 + 1413414691.

It is an arithmetic number, because the mean of its divisors is an integer number (1413414691).

Almost surely, 2^2826829381 is an apocalyptic number.

It is an amenable number.

2826829381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2826829381 is an equidigital number, since it uses as much as digits as its factorization.

2826829381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 49.

The square root of 2826829381 is about 53167.9356473429. The cubic root of 2826829381 is about 1413.9472215916.

The spelling of 2826829381 in words is "two billion, eight hundred twenty-six million, eight hundred twenty-nine thousand, three hundred eighty-one".