4249743816 has 32 divisors (see below), whose sum is σ = 10642494240. Its totient is φ = 1414163328.

The previous prime is 4249743811. The next prime is 4249743829. The reversal of 4249743816 is 6183479424.

It is not an unprimeable number, because it can be changed into a prime (4249743811) 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 7 ways as a sum of consecutive naturals, for example, 136741 + ... + 164916.

It is an arithmetic number, because the mean of its divisors is an integer number (332577945).

Almost surely, 2^4249743816 is an apocalyptic number.

It is an amenable number.

4249743816 is an abundant number, since it is smaller than the sum of its proper divisors (6392750424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4249743816 is a wasteful number, since it uses less digits than its factorization.

4249743816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302253 (or 302249 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The square root of 4249743816 is about 65190.0591808291. The cubic root of 4249743816 is about 1619.7733534471.

The spelling of 4249743816 in words is "four billion, two hundred forty-nine million, seven hundred forty-three thousand, eight hundred sixteen".