3995744061 has 16 divisors (see below), whose sum is σ = 5700002240. Its totient is φ = 2482254720.

The previous prime is 3995744047. The next prime is 3995744063. The reversal of 3995744061 is 1604475993.

It is not a de Polignac number, because 3995744061 - 2¹⁷ = 3995612989 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 3995744061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995744063) 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, 571120 + ... + 578073.

It is an arithmetic number, because the mean of its divisors is an integer number (356250140).

Almost surely, 2^3995744061 is an apocalyptic number.

It is an amenable number.

3995744061 is a deficient number, since it is larger than the sum of its proper divisors (1704258179).

3995744061 is a wasteful number, since it uses less digits than its factorization.

3995744061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149276.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 3995744061 is about 63211.8980967982. The cubic root of 3995744061 is about 1586.8378620086.

The spelling of 3995744061 in words is "three billion, nine hundred ninety-five million, seven hundred forty-four thousand, sixty-one".