4002351449 has 4 divisors (see below), whose sum is σ = 4047321780. Its totient is φ = 3957381120.

The previous prime is 4002351439. The next prime is 4002351469. The reversal of 4002351449 is 9441532004.

4002351449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 1904711449 + 2097640000 = 43643^2 + 45800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4002351449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002351439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22485032 + ... + 22485209.

It is an arithmetic number, because the mean of its divisors is an integer number (1011830445).

Almost surely, 2^4002351449 is an apocalyptic number.

It is an amenable number.

4002351449 is a deficient number, since it is larger than the sum of its proper divisors (44970331).

4002351449 is an equidigital number, since it uses as much as digits as its factorization.

4002351449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44970330.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4002351449 is about 63264.1403087089. The cubic root of 4002351449 is about 1587.7120487531.

The spelling of 4002351449 in words is "four billion, two million, three hundred fifty-one thousand, four hundred forty-nine".