3550878445663 has 2 divisors, whose sum is σ = 3550878445664. Its totient is φ = 3550878445662.

The previous prime is 3550878445573. The next prime is 3550878445703. The reversal of 3550878445663 is 3665448780553.

3550878445663 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 is a cyclic number.

It is not a de Polignac number, because 3550878445663 - 2⁹ = 3550878445151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3550878445595 and 3550878445604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3550878445463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1775439222831 + 1775439222832.

It is an arithmetic number, because the mean of its divisors is an integer number (1775439222832).

Almost surely, 2^{3550878445663} is an apocalyptic number.

3550878445663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3550878445663 is an equidigital number, since it uses as much as digits as its factorization.

3550878445663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304000, while the sum is 64.

The spelling of 3550878445663 in words is "three trillion, five hundred fifty billion, eight hundred seventy-eight million, four hundred forty-five thousand, six hundred sixty-three".