234799362721 has 135 divisors (see below), whose sum is σ = 322204909299. Its totient is φ = 170953120800.

The previous prime is 234799362713. The next prime is 234799362761. The reversal of 234799362721 is 127263997432.

The square root of 234799362721 is 484561.

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

234799362721 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., 123123090321 + 111676272400 = 350889^2 + 334180^2 .

It is not a de Polignac number, because 234799362721 - 2³ = 234799362713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234799362761) 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 134 ways as a sum of consecutive naturals, for example, 7574172976 + ... + 7574173006.

Almost surely, 2^234799362721 is an apocalyptic number.

234799362721 is the 484561-st square number.

234799362721 is the 242281-st centered octagonal number.

It is an amenable number.

234799362721 is a deficient number, since it is larger than the sum of its proper divisors (87405546578).

234799362721 is an frugal number, since it uses more digits than its factorization.

234799362721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 78 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 55.

The spelling of 234799362721 in words is "two hundred thirty-four billion, seven hundred ninety-nine million, three hundred sixty-two thousand, seven hundred twenty-one".