4249813156 has 6 divisors (see below), whose sum is σ = 7437173030. Its totient is φ = 2124906576.

The previous prime is 4249813123. The next prime is 4249813171. The reversal of 4249813156 is 6513189424.

It can be written as a sum of positive squares in only one way, i.e., 4111374400 + 138438756 = 64120^2 + 11766^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531226641 + ... + 531226648.

Almost surely, 2^4249813156 is an apocalyptic number.

It is an amenable number.

4249813156 is a deficient number, since it is larger than the sum of its proper divisors (3187359874).

4249813156 is a wasteful number, since it uses less digits than its factorization.

4249813156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062453293 (or 1062453291 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 4249813156 is about 65190.5910082122. The cubic root of 4249813156 is about 1619.7821629565.

The spelling of 4249813156 in words is "four billion, two hundred forty-nine million, eight hundred thirteen thousand, one hundred fifty-six".