1995041993 has 16 divisors (see below), whose sum is σ = 2321104896. Its totient is φ = 1679430480.

The previous prime is 1995041963. The next prime is 1995041999. The reversal of 1995041993 is 3991405991.

It is a happy number.

It is not a de Polignac number, because 1995041993 - 2¹⁰ = 1995040969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1995041999) 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 in 15 ways as a sum of consecutive naturals, for example, 123080 + ... + 138342.

It is an arithmetic number, because the mean of its divisors is an integer number (145069056).

Almost surely, 2^1995041993 is an apocalyptic number.

It is an amenable number.

1995041993 is a deficient number, since it is larger than the sum of its proper divisors (326062903).

1995041993 is a wasteful number, since it uses less digits than its factorization.

1995041993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15604.

The product of its (nonzero) digits is 393660, while the sum is 50.

The square root of 1995041993 is about 44665.8929497665. The cubic root of 1995041993 is about 1258.8790721670.

The spelling of 1995041993 in words is "one billion, nine hundred ninety-five million, forty-one thousand, nine hundred ninety-three".