65630504834 has 4 divisors (see below), whose sum is σ = 98445757254. Its totient is φ = 32815252416.

The previous prime is 65630504831. The next prime is 65630504903. The reversal of 65630504834 is 43840503656.

It is a happy number.

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., 65518081225 + 112423609 = 255965^2 + 10603^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65630504831) 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 as a sum of consecutive naturals, namely, 16407626207 + ... + 16407626210.

Almost surely, 2^65630504834 is an apocalyptic number.

65630504834 is a deficient number, since it is larger than the sum of its proper divisors (32815252420).

65630504834 is a wasteful number, since it uses less digits than its factorization.

65630504834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32815252419.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 65630504834 in words is "sixty-five billion, six hundred thirty million, five hundred four thousand, eight hundred thirty-four".