9817653944452 has 48 divisors (see below), whose sum is σ = 19637039640960. Its totient is φ = 4266813512192.

The previous prime is 9817653944411. The next prime is 9817653944507. The reversal of 9817653944452 is 2544493567189.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108183478 + ... + 108274189.

It is an arithmetic number, because the mean of its divisors is an integer number (409104992520).

Almost surely, 2^{9817653944452} is an apocalyptic number.

9817653944452 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

9817653944452 is an abundant number, since it is smaller than the sum of its proper divisors (9819385696508).

9817653944452 is a wasteful number, since it uses less digits than its factorization.

9817653944452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216457740 (or 216457738 counting only the distinct ones).

The product of its digits is 261273600, while the sum is 67.

The spelling of 9817653944452 in words is "nine trillion, eight hundred seventeen billion, six hundred fifty-three million, nine hundred forty-four thousand, four hundred fifty-two".