4255499249 has 4 divisors (see below), whose sum is σ = 4255978980. Its totient is φ = 4255019520.

The previous prime is 4255499231. The next prime is 4255499251. The reversal of 4255499249 is 9429945524.

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 3296482225 + 959017024 = 57415^2 + 30968^2 .

It is a cyclic number.

It is not a de Polignac number, because 4255499249 - 2²⁸ = 3987063793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4255499249.

It is not an unprimeable number, because it can be changed into a prime (4255499219) 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, 226304 + ... + 244385.

It is an arithmetic number, because the mean of its divisors is an integer number (1063994745).

Almost surely, 2^4255499249 is an apocalyptic number.

It is an amenable number.

4255499249 is a deficient number, since it is larger than the sum of its proper divisors (479731).

4255499249 is an equidigital number, since it uses as much as digits as its factorization.

4255499249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479730.

The product of its digits is 4665600, while the sum is 53.

The square root of 4255499249 is about 65234.1877315875. The cubic root of 4255499249 is about 1620.5042439108.

The spelling of 4255499249 in words is "four billion, two hundred fifty-five million, four hundred ninety-nine thousand, two hundred forty-nine".