3648821087 has 2 divisors, whose sum is σ = 3648821088. Its totient is φ = 3648821086.

The previous prime is 3648821083. The next prime is 3648821089. The reversal of 3648821087 is 7801288463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3648821087 - 2² = 3648821083 is a prime.

Together with 3648821089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3648821081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824410543 + 1824410544.

It is an arithmetic number, because the mean of its divisors is an integer number (1824410544).

Almost surely, 2^3648821087 is an apocalyptic number.

3648821087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3648821087 is an equidigital number, since it uses as much as digits as its factorization.

3648821087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 3648821087 is about 60405.4723266030. The cubic root of 3648821087 is about 1539.5159392504.

It can be divided in two parts, 36488 and 21087, that added together give a palindrome (57575).

The spelling of 3648821087 in words is "three billion, six hundred forty-eight million, eight hundred twenty-one thousand, eighty-seven".