1995730507 has 2 divisors, whose sum is σ = 1995730508. Its totient is φ = 1995730506.

The previous prime is 1995730481. The next prime is 1995730523. The reversal of 1995730507 is 7050375991.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7050375991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1995730507 - 2¹⁹ = 1995206219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1995730567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997865253 + 997865254.

It is an arithmetic number, because the mean of its divisors is an integer number (997865254).

Almost surely, 2^1995730507 is an apocalyptic number.

1995730507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1995730507 is an equidigital number, since it uses as much as digits as its factorization.

1995730507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 297675, while the sum is 46.

The square root of 1995730507 is about 44673.5996646789. The cubic root of 1995730507 is about 1259.0238738267.

The spelling of 1995730507 in words is "one billion, nine hundred ninety-five million, seven hundred thirty thousand, five hundred seven".