9985463803910 has 256 divisors, whose sum is σ = 22678349414400. Its totient is φ = 3154963109760.

The previous prime is 9985463803907. The next prime is 9985463803967. The reversal of 9985463803910 is 193083645899.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 555139937 + ... + 555157923.

It is an arithmetic number, because the mean of its divisors is an integer number (88587302400).

Almost surely, 2^{9985463803910} is an apocalyptic number.

9985463803910 is an abundant number, since it is smaller than the sum of its proper divisors (12692885610490).

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

9985463803910 is a wasteful number, since it uses less digits than its factorization.

9985463803910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296 (or 18282 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 65.

The spelling of 9985463803910 in words is "nine trillion, nine hundred eighty-five billion, four hundred sixty-three million, eight hundred three thousand, nine hundred ten".