973756396536 has 256 divisors, whose sum is σ = 3220732108800. Its totient is φ = 237825984000.

The previous prime is 973756396531. The next prime is 973756396577. The reversal of 973756396536 is 635693657379.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973756396531) 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 in 63 ways as a sum of consecutive naturals, for example, 2313586 + ... + 2701886.

It is an arithmetic number, because the mean of its divisors is an integer number (12580984800).

Almost surely, 2^973756396536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973756396536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1610366054400).

973756396536 is an abundant number, since it is smaller than the sum of its proper divisors (2246975712264).

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

973756396536 is a wasteful number, since it uses less digits than its factorization.

973756396536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388410 (or 388406 counting only the distinct ones).

The product of its digits is 578680200, while the sum is 69.

The spelling of 973756396536 in words is "nine hundred seventy-three billion, seven hundred fifty-six million, three hundred ninety-six thousand, five hundred thirty-six".