4229731057 has 4 divisors (see below), whose sum is σ = 4230117540. Its totient is φ = 4229344576.

The previous prime is 4229731049. The next prime is 4229731061. The reversal of 4229731057 is 7501379224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1842040561 + 2387690496 = 42919^2 + 48864^2 .

It is a cyclic number.

It is not a de Polignac number, because 4229731057 - 2³ = 4229731049 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4229771057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176332 + ... + 198877.

It is an arithmetic number, because the mean of its divisors is an integer number (1057529385).

Almost surely, 2^4229731057 is an apocalyptic number.

It is an amenable number.

4229731057 is a deficient number, since it is larger than the sum of its proper divisors (386483).

4229731057 is a wasteful number, since it uses less digits than its factorization.

4229731057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386482.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 4229731057 is about 65036.3825639157. The cubic root of 4229731057 is about 1617.2267566757.

The spelling of 4229731057 in words is "four billion, two hundred twenty-nine million, seven hundred thirty-one thousand, fifty-seven".