3995453449 has 4 divisors (see below), whose sum is σ = 4302796036. Its totient is φ = 3688110864.

The previous prime is 3995453443. The next prime is 3995453461. The reversal of 3995453449 is 9443545993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 761484025 + 3233969424 = 27595^2 + 56868^2 .

It is a cyclic number.

It is not a de Polignac number, because 3995453449 - 2¹³ = 3995445257 is a prime.

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 3995453449.

It is not an unprimeable number, because it can be changed into a prime (3995453443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153671274 + ... + 153671299.

It is an arithmetic number, because the mean of its divisors is an integer number (1075699009).

Almost surely, 2^3995453449 is an apocalyptic number.

It is an amenable number.

3995453449 is a deficient number, since it is larger than the sum of its proper divisors (307342587).

3995453449 is a wasteful number, since it uses less digits than its factorization.

3995453449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307342586.

The product of its digits is 10497600, while the sum is 55.

The square root of 3995453449 is about 63209.5993421885. The cubic root of 3995453449 is about 1586.7993906336.

The spelling of 3995453449 in words is "three billion, nine hundred ninety-five million, four hundred fifty-three thousand, four hundred forty-nine".