3648826261 has 2 divisors, whose sum is σ = 3648826262. Its totient is φ = 3648826260.

The previous prime is 3648826219. The next prime is 3648826271. The reversal of 3648826261 is 1626288463.

3648826261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3646952100 + 1874161 = 60390^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 3648826261 - 2⁷ = 3648826133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648826271) 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, 1824413130 + 1824413131.

It is an arithmetic number, because the mean of its divisors is an integer number (1824413131).

Almost surely, 2^3648826261 is an apocalyptic number.

It is an amenable number.

3648826261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648826261 is an equidigital number, since it uses as much as digits as its factorization.

3648826261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 663552, while the sum is 46.

The square root of 3648826261 is about 60405.5151538334. The cubic root of 3648826261 is about 1539.5166669240.

The spelling of 3648826261 in words is "three billion, six hundred forty-eight million, eight hundred twenty-six thousand, two hundred sixty-one".