9969520520004 has 192 divisors, whose sum is σ = 24823778918400. Its totient is φ = 3105205891200.

The previous prime is 9969520519991. The next prime is 9969520520077. The reversal of 9969520520004 is 4000250259699.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7558392457 + ... + 7558393775.

It is an arithmetic number, because the mean of its divisors is an integer number (129290515200).

Almost surely, 2^{9969520520004} 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 9969520520004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12411889459200).

9969520520004 is an abundant number, since it is smaller than the sum of its proper divisors (14854258398396).

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

9969520520004 is a wasteful number, since it uses less digits than its factorization.

9969520520004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 9969520520004 in words is "nine trillion, nine hundred sixty-nine billion, five hundred twenty million, five hundred twenty thousand, four".