4249647824 has 20 divisors (see below), whose sum is σ = 8242237344. Its totient is φ = 2122618848.

The previous prime is 4249647797. The next prime is 4249647841. The reversal of 4249647824 is 4287469424.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121862 + ... + 152805.

Almost surely, 2^4249647824 is an apocalyptic number.

It is an amenable number.

4249647824 is a deficient number, since it is larger than the sum of its proper divisors (3992589520).

4249647824 is a wasteful number, since it uses less digits than its factorization.

4249647824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275642 (or 275636 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 50.

The square root of 4249647824 is about 65189.3229294491. The cubic root of 4249647824 is about 1619.7611576960.

The spelling of 4249647824 in words is "four billion, two hundred forty-nine million, six hundred forty-seven thousand, eight hundred twenty-four".