973640039824 has 15 divisors (see below), whose sum is σ = 1886435224363. Its totient is φ = 486818046448.

The previous prime is 973640039807. The next prime is 973640039873. The reversal of 973640039824 is 428930046379.

It is a happy number.

The square root of 973640039824 is 986732.

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

It is a Duffinian number.

It is an unprimeable number.

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 in 2 ways as a sum of consecutive naturals, for example, 3823587 + ... + 4070269.

Almost surely, 2^973640039824 is an apocalyptic number.

973640039824 is the 986732-nd square number.

It is an amenable number.

973640039824 is a deficient number, since it is larger than the sum of its proper divisors (912795184539).

973640039824 is an frugal number, since it uses more digits than its factorization.

973640039824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493374 (or 246685 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 973640039824 in words is "nine hundred seventy-three billion, six hundred forty million, thirty-nine thousand, eight hundred twenty-four".