1995832243 has 4 divisors (see below), whose sum is σ = 1998861480. Its totient is φ = 1992803008.

The previous prime is 1995832217. The next prime is 1995832259. The reversal of 1995832243 is 3422385991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3422385991 = 17 ⋅201316823.

It is a cyclic number.

It is not a de Polignac number, because 1995832243 - 2⁵ = 1995832211 is a prime.

It is a super-2 number, since 2×1995832243² = 7966692684396822098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1995832193 and 1995832202.

It is not an unprimeable number, because it can be changed into a prime (1995832213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1513630 + ... + 1514947.

It is an arithmetic number, because the mean of its divisors is an integer number (499715370).

Almost surely, 2^1995832243 is an apocalyptic number.

1995832243 is a deficient number, since it is larger than the sum of its proper divisors (3029237).

1995832243 is an equidigital number, since it uses as much as digits as its factorization.

1995832243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3029236.

The product of its digits is 466560, while the sum is 46.

The square root of 1995832243 is about 44674.7383092503. The cubic root of 1995832243 is about 1259.0452671421.

The spelling of 1995832243 in words is "one billion, nine hundred ninety-five million, eight hundred thirty-two thousand, two hundred forty-three".