4638209050 has 24 divisors (see below), whose sum is σ = 8837489052. Its totient is φ = 1810032000.

The previous prime is 4638209033. The next prime is 4638209077. The reversal of 4638209050 is 509028364.

It can be written as a sum of positive squares in 6 ways, for example, as 482988529 + 4155220521 = 21977^2 + 64461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129221 + ... + 1133320.

Almost surely, 2^4638209050 is an apocalyptic number.

4638209050 is a deficient number, since it is larger than the sum of its proper divisors (4199280002).

4638209050 is a wasteful number, since it uses less digits than its factorization.

4638209050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262594 (or 2262589 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 4638209050 is about 68104.3981692813. The cubic root of 4638209050 is about 1667.6955618053.

The spelling of 4638209050 in words is "four billion, six hundred thirty-eight million, two hundred nine thousand, fifty".