4492729690 has 16 divisors (see below), whose sum is σ = 8090708328. Its totient is φ = 1796248576.

The previous prime is 4492729663. The next prime is 4492729711. The reversal of 4492729690 is 969272944.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1461456441 + 3031273249 = 38229^2 + 55057^2 .

It is a super-2 number, since 2×4492729690² = 40369240134814992200, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 82807 + ... + 125866.

Almost surely, 2^4492729690 is an apocalyptic number.

4492729690 is a deficient number, since it is larger than the sum of its proper divisors (3597978638).

4492729690 is a wasteful number, since it uses less digits than its factorization.

4492729690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210833.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The square root of 4492729690 is about 67027.8277284890. The cubic root of 4492729690 is about 1650.0740327970.

The spelling of 4492729690 in words is "four billion, four hundred ninety-two million, seven hundred twenty-nine thousand, six hundred ninety".