9450555550049 has 2 divisors, whose sum is σ = 9450555550050. Its totient is φ = 9450555550048.

The previous prime is 9450555550021. The next prime is 9450555550061. The reversal of 9450555550049 is 9400555550549.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6738473564449 + 2712081985600 = 2595857^2 + 1646840^2 .

It is a cyclic number.

It is not a de Polignac number, because 9450555550049 - 2²⁰ = 9450554501473 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9450555549976 and 9450555550003.

It is not a weakly prime, because it can be changed into another prime (9450555552049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4725277775024 + 4725277775025.

It is an arithmetic number, because the mean of its divisors is an integer number (4725277775025).

Almost surely, 2^{9450555550049} is an apocalyptic number.

It is an amenable number.

9450555550049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9450555550049 is an equidigital number, since it uses as much as digits as its factorization.

9450555550049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 9450555550049 in words is "nine trillion, four hundred fifty billion, five hundred fifty-five million, five hundred fifty thousand, forty-nine".