4189248439 has 4 divisors (see below), whose sum is σ = 4212393640. Its totient is φ = 4166103240.

The previous prime is 4189248433. The next prime is 4189248473. The reversal of 4189248439 is 9348429814.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4189248439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4189248433) 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, 11572329 + ... + 11572690.

It is an arithmetic number, because the mean of its divisors is an integer number (1053098410).

Almost surely, 2^4189248439 is an apocalyptic number.

4189248439 is a deficient number, since it is larger than the sum of its proper divisors (23145201).

4189248439 is a wasteful number, since it uses less digits than its factorization.

4189248439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23145200.

The product of its digits is 1990656, while the sum is 52.

The square root of 4189248439 is about 64724.4037361489. The cubic root of 4189248439 is about 1612.0507333533.

The spelling of 4189248439 in words is "four billion, one hundred eighty-nine million, two hundred forty-eight thousand, four hundred thirty-nine".