9963752737536 has 720 divisors, whose sum is σ = 34793791601184. Its totient is φ = 2807398268928.

The previous prime is 9963752737501. The next prime is 9963752737567. The reversal of 9963752737536 is 6357372573699.

9963752737536 is a `hidden beast` number, since 9 + 9 + 6 + 3 + 7 + 52 + 7 + 37 + 536 = 666.

It is a super-2 number, since 2×9963752737536² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 169528891 + ... + 169587653.

Almost surely, 2^{9963752737536} is an apocalyptic number.

9963752737536 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9963752737536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17396895800592).

9963752737536 is an abundant number, since it is smaller than the sum of its proper divisors (24830038863648).

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

9963752737536 is a wasteful number, since it uses less digits than its factorization.

9963752737536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58858 (or 58835 counting only the distinct ones).

The product of its digits is 1350253800, while the sum is 72.

The spelling of 9963752737536 in words is "nine trillion, nine hundred sixty-three billion, seven hundred fifty-two million, seven hundred thirty-seven thousand, five hundred thirty-six".