4253384665 has 4 divisors (see below), whose sum is σ = 5104061604. Its totient is φ = 3402707728.

The previous prime is 4253384621. The next prime is 4253384677. The reversal of 4253384665 is 5664833524.

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 1637982784 + 2615401881 = 40472^2 + 51141^2 .

It is a cyclic number.

It is not a de Polignac number, because 4253384665 - 2²⁵ = 4219830233 is a prime.

It is a super-2 number, since 2×4253384665² = 36182562216914324450, which contains 22 as substring.

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, 425338462 + ... + 425338471.

It is an arithmetic number, because the mean of its divisors is an integer number (1276015401).

Almost surely, 2^4253384665 is an apocalyptic number.

It is an amenable number.

4253384665 is a deficient number, since it is larger than the sum of its proper divisors (850676939).

4253384665 is an equidigital number, since it uses as much as digits as its factorization.

4253384665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850676938.

The product of its digits is 2073600, while the sum is 46.

The square root of 4253384665 is about 65217.9780812009. The cubic root of 4253384665 is about 1620.2357865663.

The spelling of 4253384665 in words is "four billion, two hundred fifty-three million, three hundred eighty-four thousand, six hundred sixty-five".