1999230995 has 8 divisors (see below), whose sum is σ = 2409647184. Its totient is φ = 1592338144.

The previous prime is 1999230979. The next prime is 1999231051. The reversal of 1999230995 is 5990329991.

1999230995 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 1999230995 - 2⁴ = 1999230979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1999230995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879584 + ... + 881853.

It is an arithmetic number, because the mean of its divisors is an integer number (301205898).

Almost surely, 2^1999230995 is an apocalyptic number.

1999230995 is a deficient number, since it is larger than the sum of its proper divisors (410416189).

1999230995 is a wasteful number, since it uses less digits than its factorization.

1999230995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761669.

The product of its (nonzero) digits is 1771470, while the sum is 56.

The square root of 1999230995 is about 44712.7609860988. The cubic root of 1999230995 is about 1259.7595482627.

The spelling of 1999230995 in words is "one billion, nine hundred ninety-nine million, two hundred thirty thousand, nine hundred ninety-five".