234685020249 has 45 divisors (see below), whose sum is σ = 370132159023. Its totient is φ = 148169798208.

The previous prime is 234685020239. The next prime is 234685020263. The reversal of 234685020249 is 942020586432.

The square root of 234685020249 is 484443.

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

It can be written as a sum of positive squares in only one way, i.e., 92127425625 + 142557594624 = 303525^2 + 377568^2 .

It is not a de Polignac number, because 234685020249 - 2¹¹ = 234685018201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234685020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 82838337 + ... + 82841169.

Almost surely, 2^234685020249 is an apocalyptic number.

234685020249 is the 484443-rd square number.

234685020249 is the 242222-nd centered octagonal number.

It is an amenable number.

234685020249 is a deficient number, since it is larger than the sum of its proper divisors (135447138774).

234685020249 is an frugal number, since it uses more digits than its factorization.

234685020249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 234685020249 in words is "two hundred thirty-four billion, six hundred eighty-five million, twenty thousand, two hundred forty-nine".