234821971682 has 4 divisors (see below), whose sum is σ = 352232957526. Its totient is φ = 117410985840.

The previous prime is 234821971651. The next prime is 234821971687. The reversal of 234821971682 is 286179128432.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 234770289961 + 51681721 = 484531^2 + 7189^2 .

It is not an unprimeable number, because it can be changed into a prime (234821971687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58705492919 + ... + 58705492922.

Almost surely, 2^234821971682 is an apocalyptic number.

234821971682 is a deficient number, since it is larger than the sum of its proper divisors (117410985844).

234821971682 is a wasteful number, since it uses less digits than its factorization.

234821971682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117410985843.

The product of its digits is 2322432, while the sum is 53.

The spelling of 234821971682 in words is "two hundred thirty-four billion, eight hundred twenty-one million, nine hundred seventy-one thousand, six hundred eighty-two".