5001005638 has 4 divisors (see below), whose sum is σ = 7501508460. Its totient is φ = 2500502818.

The previous prime is 5001005609. The next prime is 5001005657. The reversal of 5001005638 is 8365001005.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250251408 + ... + 1250251411.

It is an arithmetic number, because the mean of its divisors is an integer number (1875377115).

Almost surely, 2^5001005638 is an apocalyptic number.

5001005638 is a deficient number, since it is larger than the sum of its proper divisors (2500502822).

5001005638 is a wasteful number, since it uses less digits than its factorization.

5001005638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500502821.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 5001005638 is about 70717.7886956316. The cubic root of 5001005638 is about 1710.0905801111.

The spelling of 5001005638 in words is "five billion, one million, five thousand, six hundred thirty-eight".