1950666480563 has 2 divisors, whose sum is σ = 1950666480564. Its totient is φ = 1950666480562.

The previous prime is 1950666480509. The next prime is 1950666480569. The reversal of 1950666480563 is 3650846660591.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1950666480563 - 2¹⁴ = 1950666464179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1950666480569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 975333240281 + 975333240282.

It is an arithmetic number, because the mean of its divisors is an integer number (975333240282).

Almost surely, 2^{1950666480563} is an apocalyptic number.

1950666480563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1950666480563 is an equidigital number, since it uses as much as digits as its factorization.

1950666480563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27993600, while the sum is 59.

The spelling of 1950666480563 in words is "one trillion, nine hundred fifty billion, six hundred sixty-six million, four hundred eighty thousand, five hundred sixty-three".