4149249256 has 8 divisors (see below), whose sum is σ = 7779842370. Its totient is φ = 2074624624.

The previous prime is 4149249187. The next prime is 4149249283. The reversal of 4149249256 is 6529429414.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2297668356 + 1851580900 = 47934^2 + 43030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259328071 + ... + 259328086.

Almost surely, 2^4149249256 is an apocalyptic number.

It is an amenable number.

4149249256 is a deficient number, since it is larger than the sum of its proper divisors (3630593114).

4149249256 is a wasteful number, since it uses less digits than its factorization.

4149249256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518656163 (or 518656159 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 4149249256 is about 64414.6664665742. Note that the first 3 decimals coincide. The cubic root of 4149249256 is about 1606.9036661532.

The spelling of 4149249256 in words is "four billion, one hundred forty-nine million, two hundred forty-nine thousand, two hundred fifty-six".