90000013838 has 16 divisors (see below), whose sum is σ = 154977607680. Its totient is φ = 38398467096.

The previous prime is 90000013801. The next prime is 90000013841. The reversal of 90000013838 is 83831000009.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14410718 + ... + 14416961.

It is an arithmetic number, because the mean of its divisors is an integer number (9686100480).

Almost surely, 2^90000013838 is an apocalyptic number.

90000013838 is a deficient number, since it is larger than the sum of its proper divisors (64977593842).

90000013838 is a wasteful number, since it uses less digits than its factorization.

90000013838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28827911.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 90000013838 in words is "ninety billion, thirteen thousand, eight hundred thirty-eight".