3970320449 has 4 divisors (see below), whose sum is σ = 3970448580. Its totient is φ = 3970192320.

The previous prime is 3970320391. The next prime is 3970320461. The reversal of 3970320449 is 9440230793.

3970320449 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, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2735290000 + 1235030449 = 52300^2 + 35143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3970320449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3970320479) 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 3 ways as a sum of consecutive naturals, for example, 14669 + ... + 90309.

It is an arithmetic number, because the mean of its divisors is an integer number (992612145).

Almost surely, 2^3970320449 is an apocalyptic number.

It is an amenable number.

3970320449 is a deficient number, since it is larger than the sum of its proper divisors (128131).

3970320449 is an equidigital number, since it uses as much as digits as its factorization.

3970320449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128130.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 3970320449 is about 63010.4788824843. The cubic root of 3970320449 is about 1583.4651887631.

The spelling of 3970320449 in words is "three billion, nine hundred seventy million, three hundred twenty thousand, four hundred forty-nine".