2445449465 has 4 divisors (see below), whose sum is σ = 2934539364. Its totient is φ = 1956359568.

The previous prime is 2445449449. The next prime is 2445449467. The reversal of 2445449465 is 5649445442.

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 954871801 + 1490577664 = 30901^2 + 38608^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445449465 - 2⁴ = 2445449449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445449467) 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, 244544942 + ... + 244544951.

It is an arithmetic number, because the mean of its divisors is an integer number (733634841).

Almost surely, 2^2445449465 is an apocalyptic number.

It is an amenable number.

2445449465 is a deficient number, since it is larger than the sum of its proper divisors (489089899).

2445449465 is an equidigital number, since it uses as much as digits as its factorization.

2445449465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489089898.

The product of its digits is 2764800, while the sum is 47.

The square root of 2445449465 is about 49451.4859736287. The cubic root of 2445449465 is about 1347.2645965464.

The spelling of 2445449465 in words is "two billion, four hundred forty-five million, four hundred forty-nine thousand, four hundred sixty-five".