4248939379 has 4 divisors (see below), whose sum is σ = 4395454560. Its totient is φ = 4102424200.

The previous prime is 4248939367. The next prime is 4248939389. The reversal of 4248939379 is 9739398424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4248939379 - 2¹¹ = 4248937331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4248939389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73257547 + ... + 73257604.

It is an arithmetic number, because the mean of its divisors is an integer number (1098863640).

Almost surely, 2^4248939379 is an apocalyptic number.

4248939379 is a deficient number, since it is larger than the sum of its proper divisors (146515181).

4248939379 is a wasteful number, since it uses less digits than its factorization.

4248939379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146515180.

The product of its digits is 11757312, while the sum is 58.

The square root of 4248939379 is about 65183.8889527159. Note that the first 3 decimals coincide. The cubic root of 4248939379 is about 1619.6711443182.

The spelling of 4248939379 in words is "four billion, two hundred forty-eight million, nine hundred thirty-nine thousand, three hundred seventy-nine".