1995944839741 has 16 divisors (see below), whose sum is σ = 2132458191360. Its totient is φ = 1864007127360.

The previous prime is 1995944839739. The next prime is 1995944839769. The reversal of 1995944839741 is 1479384495991.

It is not a de Polignac number, because 1995944839741 - 2¹ = 1995944839739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995944830741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1211086 + ... + 2336368.

It is an arithmetic number, because the mean of its divisors is an integer number (133278636960).

Almost surely, 2^{1995944839741} is an apocalyptic number.

It is an amenable number.

1995944839741 is a deficient number, since it is larger than the sum of its proper divisors (136513351619).

1995944839741 is a wasteful number, since it uses less digits than its factorization.

1995944839741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127316.

The product of its digits is 352719360, while the sum is 73.

The spelling of 1995944839741 in words is "one trillion, nine hundred ninety-five billion, nine hundred forty-four million, eight hundred thirty-nine thousand, seven hundred forty-one".