235008739729 has 3 divisors (see below), whose sum is σ = 235009224507. Its totient is φ = 235008254952.

The previous prime is 235008739723. The next prime is 235008739733. The reversal of 235008739729 is 927937800532.

The square root of 235008739729 is 484777.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 234309243025 + 699496704 = 484055^2 + 26448^2 .

It is a de Polignac number, because none of the positive numbers 2^k-235008739729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 235008739729.

It is not an unprimeable number, because it can be changed into a prime (235008739723) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 242389 + ... + 727165.

It is an arithmetic number, because the mean of its divisors is an integer number (78336408169).

Almost surely, 2^235008739729 is an apocalyptic number.

235008739729 is the 484777-th square number.

235008739729 is the 242389-th centered octagonal number.

It is an amenable number.

235008739729 is a deficient number, since it is larger than the sum of its proper divisors (484778).

235008739729 is an frugal number, since it uses more digits than its factorization.

235008739729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969554 (or 484777 counting only the distinct ones).

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

The spelling of 235008739729 in words is "two hundred thirty-five billion, eight million, seven hundred thirty-nine thousand, seven hundred twenty-nine".