2438655265 has 4 divisors (see below), whose sum is σ = 2926386324. Its totient is φ = 1950924208.

The previous prime is 2438655257. The next prime is 2438655281. The reversal of 2438655265 is 5625568342.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5625568342 = 2 ⋅2812784171.

It can be written as a sum of positive squares in 2 ways, for example, as 513113104 + 1925542161 = 22652^2 + 43881^2 .

It is a cyclic number.

It is not a de Polignac number, because 2438655265 - 2³ = 2438655257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243865522 + ... + 243865531.

It is an arithmetic number, because the mean of its divisors is an integer number (731596581).

Almost surely, 2^2438655265 is an apocalyptic number.

It is an amenable number.

2438655265 is a deficient number, since it is larger than the sum of its proper divisors (487731059).

2438655265 is an equidigital number, since it uses as much as digits as its factorization.

2438655265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487731058.

The product of its digits is 1728000, while the sum is 46.

The square root of 2438655265 is about 49382.7425828092. The cubic root of 2438655265 is about 1346.0157360940.

The spelling of 2438655265 in words is "two billion, four hundred thirty-eight million, six hundred fifty-five thousand, two hundred sixty-five".