1995730441 has 2 divisors, whose sum is σ = 1995730442. Its totient is φ = 1995730440.

The previous prime is 1995730397. The next prime is 1995730481. The reversal of 1995730441 is 1440375991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1755945216 + 239785225 = 41904^2 + 15485^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995730441 - 2¹⁷ = 1995599369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1995730481) 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, 997865220 + 997865221.

It is an arithmetic number, because the mean of its divisors is an integer number (997865221).

Almost surely, 2^1995730441 is an apocalyptic number.

It is an amenable number.

1995730441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995730441 is an equidigital number, since it uses as much as digits as its factorization.

1995730441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1995730441 is about 44673.5989259876. The cubic root of 1995730441 is about 1259.0238599478.

The spelling of 1995730441 in words is "one billion, nine hundred ninety-five million, seven hundred thirty thousand, four hundred forty-one".