202430705929 has 9 divisors (see below), whose sum is σ = 203408574439. Its totient is φ = 201457522480.

The previous prime is 202430705881. The next prime is 202430705941. The reversal of 202430705929 is 929507034202.

The square root of 202430705929 is 449923.

It is a perfect power (a square), and thus also a powerful number.

202430705929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41109590025 + 161321115904 = 202755^2 + 401648^2 .

It is not a de Polignac number, because 202430705929 - 2¹⁹ = 202430181641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202430708929) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 104831094 + ... + 104833024.

Almost surely, 2^202430705929 is an apocalyptic number.

202430705929 is the 449923-rd square number.

202430705929 is the 224962-nd centered octagonal number.

It is an amenable number.

202430705929 is a deficient number, since it is larger than the sum of its proper divisors (977868510).

202430705929 is an frugal number, since it uses more digits than its factorization.

202430705929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 2164 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 202430705929 in words is "two hundred two billion, four hundred thirty million, seven hundred five thousand, nine hundred twenty-nine".