1010199973 has 2 divisors, whose sum is σ = 1010199974. Its totient is φ = 1010199972.

The previous prime is 1010199907. The next prime is 1010199977. The reversal of 1010199973 is 3799910101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 518336289 + 491863684 = 22767^2 + 22178^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010199973 - 2⁹ = 1010199461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010199977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505099986 + 505099987.

It is an arithmetic number, because the mean of its divisors is an integer number (505099987).

Almost surely, 2^1010199973 is an apocalyptic number.

It is an amenable number.

1010199973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010199973 is an equidigital number, since it uses as much as digits as its factorization.

1010199973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 40.

The square root of 1010199973 is about 31783.6431675162. The cubic root of 1010199973 is about 1003.3884961252.

The spelling of 1010199973 in words is "one billion, ten million, one hundred ninety-nine thousand, nine hundred seventy-three".