4395961949 has 6 divisors (see below), whose sum is σ = 4669759194. Its totient is φ = 4137375680.

The previous prime is 4395961931. The next prime is 4395961967. The reversal of 4395961949 is 9491695934.

It is an interprime number because it is at equal distance from previous prime (4395961931) and next prime (4395961967).

It can be written as a sum of positive squares in 3 ways, for example, as 2293739449 + 2102222500 = 47893^2 + 45850^2 .

It is not a de Polignac number, because 4395961949 - 2²⁸ = 4127526493 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 (4395961979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7605182 + ... + 7605759.

It is an arithmetic number, because the mean of its divisors is an integer number (778293199).

Almost surely, 2^4395961949 is an apocalyptic number.

It is an amenable number.

4395961949 is a deficient number, since it is larger than the sum of its proper divisors (273797245).

4395961949 is a wasteful number, since it uses less digits than its factorization.

4395961949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15210975 (or 15210958 counting only the distinct ones).

The product of its digits is 9447840, while the sum is 59.

The square root of 4395961949 is about 66302.0508657161. The cubic root of 4395961949 is about 1638.1411057932.

The spelling of 4395961949 in words is "four billion, three hundred ninety-five million, nine hundred sixty-one thousand, nine hundred forty-nine".