65204187234 has 16 divisors (see below), whose sum is σ = 131070348288. Its totient is φ = 21624400112.

The previous prime is 65204187233. The next prime is 65204187239. The reversal of 65204187234 is 43278140256.

It is not an unprimeable number, because it can be changed into a prime (65204187233) 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 7 ways as a sum of consecutive naturals, for example, 27580962 + ... + 27583325.

It is an arithmetic number, because the mean of its divisors is an integer number (8191896768).

Almost surely, 2^65204187234 is an apocalyptic number.

65204187234 is an abundant number, since it is smaller than the sum of its proper divisors (65866161054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65204187234 is a wasteful number, since it uses less digits than its factorization.

65204187234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55164489.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 65204187234 in words is "sixty-five billion, two hundred four million, one hundred eighty-seven thousand, two hundred thirty-four".