229659103638 has 24 divisors (see below), whose sum is σ = 498069117000. Its totient is φ = 76480051104.

The previous prime is 229659103633. The next prime is 229659103669. The reversal of 229659103638 is 836301956922.

229659103638 is a `hidden beast` number, since 229 + 6 + 59 + 1 + 0 + 363 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229659103631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6062548 + ... + 6100311.

It is an arithmetic number, because the mean of its divisors is an integer number (20752879875).

Almost surely, 2^229659103638 is an apocalyptic number.

229659103638 is an abundant number, since it is smaller than the sum of its proper divisors (268410013362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229659103638 is a wasteful number, since it uses less digits than its factorization.

229659103638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12163916 (or 12163913 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 229659103638 in words is "two hundred twenty-nine billion, six hundred fifty-nine million, one hundred three thousand, six hundred thirty-eight".