65031634000 has 40 divisors (see below), whose sum is σ = 157246495848. Its totient is φ = 26012652800.

The previous prime is 65031633977. The next prime is 65031634007. The reversal of 65031634000 is 43613056.

It can be written as a sum of positive squares in 4 ways, for example, as 1513521216 + 63518112784 = 38904^2 + 252028^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×65031634000² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65031634000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65031634007) 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, 16255909 + ... + 16259908.

Almost surely, 2^65031634000 is an apocalyptic number.

It is an amenable number.

65031634000 is an abundant number, since it is smaller than the sum of its proper divisors (92214861848).

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

65031634000 is a wasteful number, since it uses less digits than its factorization.

65031634000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32515840 (or 32515824 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 65031634000 in words is "sixty-five billion, thirty-one million, six hundred thirty-four thousand".