3995887697741 has 2 divisors, whose sum is σ = 3995887697742. Its totient is φ = 3995887697740.

The previous prime is 3995887697621. The next prime is 3995887697801. The reversal of 3995887697741 is 1477967885993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2163576228100 + 1832311469641 = 1470910^2 + 1353629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3995887697741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3995887697741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3995887697141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1997943848870 + 1997943848871.

It is an arithmetic number, because the mean of its divisors is an integer number (1997943848871).

Almost surely, 2^{3995887697741} is an apocalyptic number.

It is an amenable number.

3995887697741 is a deficient number, since it is larger than the sum of its proper divisors (1).

3995887697741 is an equidigital number, since it uses as much as digits as its factorization.

3995887697741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5761082880, while the sum is 83.

The spelling of 3995887697741 in words is "three trillion, nine hundred ninety-five billion, eight hundred eighty-seven million, six hundred ninety-seven thousand, seven hundred forty-one".