3728383249 has 4 divisors (see below), whose sum is σ = 3728779300. Its totient is φ = 3727987200.

The previous prime is 3728383247. The next prime is 3728383261. The reversal of 3728383249 is 9423838273.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9423838273 = 31 ⋅303994783.

It can be written as a sum of positive squares in 2 ways, for example, as 330076224 + 3398307025 = 18168^2 + 58295^2 .

It is a cyclic number.

It is not a de Polignac number, because 3728383249 - 2¹ = 3728383247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3728383247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183552 + ... + 202849.

It is an arithmetic number, because the mean of its divisors is an integer number (932194825).

Almost surely, 2^3728383249 is an apocalyptic number.

It is an amenable number.

3728383249 is a deficient number, since it is larger than the sum of its proper divisors (396051).

3728383249 is an equidigital number, since it uses as much as digits as its factorization.

3728383249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396050.

The product of its digits is 1741824, while the sum is 49.

The square root of 3728383249 is about 61060.4884438374. The cubic root of 3728383249 is about 1550.6252418929.

The spelling of 3728383249 in words is "three billion, seven hundred twenty-eight million, three hundred eighty-three thousand, two hundred forty-nine".