229709174536 has 8 divisors (see below), whose sum is σ = 430704702270. Its totient is φ = 114854587264.

The previous prime is 229709174531. The next prime is 229709174549. The reversal of 229709174536 is 635471907922.

It can be written as a sum of positive squares in only one way, i.e., 224780292100 + 4928882436 = 474110^2 + 70206^2 .

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

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (229709174531) 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 as a sum of consecutive naturals, namely, 14356823401 + ... + 14356823416.

Almost surely, 2^229709174536 is an apocalyptic number.

It is an amenable number.

229709174536 is a deficient number, since it is larger than the sum of its proper divisors (200995527734).

229709174536 is a wasteful number, since it uses less digits than its factorization.

229709174536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28713646823 (or 28713646819 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 229709174536 in words is "two hundred twenty-nine billion, seven hundred nine million, one hundred seventy-four thousand, five hundred thirty-six".