9954247865648 has 20 divisors (see below), whose sum is σ = 19286404162560. Its totient is φ = 4977111307584.

The previous prime is 9954247865641. The next prime is 9954247865677. The reversal of 9954247865648 is 8465687424599.

It is a super-3 number, since 3×9954247865648³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9954247865641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11860433 + ... + 12671951.

It is an arithmetic number, because the mean of its divisors is an integer number (964320208128).

Almost surely, 2^{9954247865648} is an apocalyptic number.

It is an amenable number.

9954247865648 is a deficient number, since it is larger than the sum of its proper divisors (9332156296912).

9954247865648 is a wasteful number, since it uses less digits than its factorization.

9954247865648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578164 (or 1578158 counting only the distinct ones).

The product of its digits is 4180377600, while the sum is 77.

The spelling of 9954247865648 in words is "nine trillion, nine hundred fifty-four billion, two hundred forty-seven million, eight hundred sixty-five thousand, six hundred forty-eight".