229969135208 has 8 divisors (see below), whose sum is σ = 431192128530. Its totient is φ = 114984567600.

The previous prime is 229969135183. The next prime is 229969135237. The reversal of 229969135208 is 802531969922.

It can be written as a sum of positive squares in only one way, i.e., 177765110884 + 52204024324 = 421622^2 + 228482^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14373070943 + ... + 14373070958.

Almost surely, 2^229969135208 is an apocalyptic number.

It is an amenable number.

229969135208 is a deficient number, since it is larger than the sum of its proper divisors (201222993322).

229969135208 is a wasteful number, since it uses less digits than its factorization.

229969135208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28746141907 (or 28746141903 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 229969135208 in words is "two hundred twenty-nine billion, nine hundred sixty-nine million, one hundred thirty-five thousand, two hundred eight".