4500137638 has 4 divisors (see below), whose sum is σ = 6750206460. Its totient is φ = 2250068818.

The previous prime is 4500137581. The next prime is 4500137639. The reversal of 4500137638 is 8367310054.

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

It is a junction number, because it is equal to n+sod(n) for n = 4500137597 and 4500137606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500137639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125034408 + ... + 1125034411.

It is an arithmetic number, because the mean of its divisors is an integer number (1687551615).

Almost surely, 2^4500137638 is an apocalyptic number.

4500137638 is a deficient number, since it is larger than the sum of its proper divisors (2250068822).

4500137638 is a wasteful number, since it uses less digits than its factorization.

4500137638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250068821.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 4500137638 is about 67083.0652102302. The cubic root of 4500137638 is about 1650.9804565225.

The spelling of 4500137638 in words is "four billion, five hundred million, one hundred thirty-seven thousand, six hundred thirty-eight".