1995730505 has 8 divisors (see below), whose sum is σ = 2400285312. Its totient is φ = 1592978608.

The previous prime is 1995730481. The next prime is 1995730507. The reversal of 1995730505 is 5050375991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995730505 - 2⁶ = 1995730441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1995730507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448289 + ... + 452718.

It is an arithmetic number, because the mean of its divisors is an integer number (300035664).

Almost surely, 2^1995730505 is an apocalyptic number.

It is an amenable number.

1995730505 is a deficient number, since it is larger than the sum of its proper divisors (404554807).

1995730505 is an equidigital number, since it uses as much as digits as its factorization.

1995730505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901455.

The product of its (nonzero) digits is 212625, while the sum is 44.

The square root of 1995730505 is about 44673.5996422943. The cubic root of 1995730505 is about 1259.0238734061.

The spelling of 1995730505 in words is "one billion, nine hundred ninety-five million, seven hundred thirty thousand, five hundred five".