4249409428 has 12 divisors (see below), whose sum is σ = 8112508992. Its totient is φ = 1931549720.

The previous prime is 4249409387. The next prime is 4249409429. The reversal of 4249409428 is 8249049424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249409429) 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, 48288700 + ... + 48288787.

It is an arithmetic number, because the mean of its divisors is an integer number (676042416).

Almost surely, 2^4249409428 is an apocalyptic number.

It is an amenable number.

4249409428 is a deficient number, since it is larger than the sum of its proper divisors (3863099564).

4249409428 is a wasteful number, since it uses less digits than its factorization.

4249409428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96577502 (or 96577500 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 4249409428 is about 65187.4944141896. The cubic root of 4249409428 is about 1619.7308687702.

The spelling of 4249409428 in words is "four billion, two hundred forty-nine million, four hundred nine thousand, four hundred twenty-eight".