3628991155553 has 2 divisors, whose sum is σ = 3628991155554. Its totient is φ = 3628991155552.

The previous prime is 3628991155463. The next prime is 3628991155619. The reversal of 3628991155553 is 3555511998263.

It is a happy number.

3628991155553 is digitally balanced in base 2, 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., 2048356339264 + 1580634816289 = 1431208^2 + 1257233^2 .

It is a cyclic number.

It is not a de Polignac number, because 3628991155553 - 2¹⁶ = 3628991090017 is a prime.

It is not a weakly prime, because it can be changed into another prime (3628991157553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814495577776 + 1814495577777.

It is an arithmetic number, because the mean of its divisors is an integer number (1814495577777).

Almost surely, 2^{3628991155553} is an apocalyptic number.

It is an amenable number.

3628991155553 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628991155553 is an equidigital number, since it uses as much as digits as its factorization.

3628991155553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740000, while the sum is 62.

The spelling of 3628991155553 in words is "three trillion, six hundred twenty-eight billion, nine hundred ninety-one million, one hundred fifty-five thousand, five hundred fifty-three".