234215691067449 has 243 divisors, whose sum is σ = 433720042242669. Its totient is φ = 121384830752640.

The previous prime is 234215691067447. The next prime is 234215691067459. The reversal of 234215691067449 is 944760196512432.

The square root of 234215691067449 is 15304107.

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

234215691067449 is a `hidden beast` number, since 2 + 3 + 4 + 2 + 1 + 569 + 1 + 0 + 67 + 4 + 4 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 164707320807225 + 69508370260224 = 12833835^2 + 8337168^2 .

It is not a de Polignac number, because 234215691067449 - 2¹ = 234215691067447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (234215691067447) by changing a digit.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 254859293412 + ... + 254859294330.

Almost surely, 2^{234215691067449} is an apocalyptic number.

234215691067449 is the 15304107-th square number.

234215691067449 is the 7652054-th centered octagonal number.

It is an amenable number.

234215691067449 is a deficient number, since it is larger than the sum of its proper divisors (199504351175220).

234215691067449 is an frugal number, since it uses more digits than its factorization.

234215691067449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 234215691067449 in words is "two hundred thirty-four trillion, two hundred fifteen billion, six hundred ninety-one million, sixty-seven thousand, four hundred forty-nine".