3995067645 has 12 divisors (see below), whose sum is σ = 6924783996. Its totient is φ = 2130702720.

The previous prime is 3995067611. The next prime is 3995067647. The reversal of 3995067645 is 5467605993.

3995067645 is a `hidden beast` number, since 3 + 99 + 506 + 7 + 6 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3019942116 + 975125529 = 54954^2 + 31227^2 .

It is not a de Polignac number, because 3995067645 - 2¹² = 3995063549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3995067591 and 3995067600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995067647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44389596 + ... + 44389685.

It is an arithmetic number, because the mean of its divisors is an integer number (577065333).

Almost surely, 2^3995067645 is an apocalyptic number.

It is an amenable number.

3995067645 is a deficient number, since it is larger than the sum of its proper divisors (2929716351).

3995067645 is a wasteful number, since it uses less digits than its factorization.

3995067645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88779292 (or 88779289 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 54.

The square root of 3995067645 is about 63206.5474852092. The cubic root of 3995067645 is about 1586.7483148074.

The spelling of 3995067645 in words is "three billion, nine hundred ninety-five million, sixty-seven thousand, six hundred forty-five".