9954479325184 has 75 divisors (see below), whose sum is σ = 20035968712067. Its totient is φ = 4945537499136.

The previous prime is 9954479325173. The next prime is 9954479325221. The reversal of 9954479325184 is 4815239744599.

The square root of 9954479325184 is 3155072.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1704257142784 + 8250222182400 = 1305472^2 + 2872320^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=4, B=1256.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 63404326834 + ... + 63404326990.

Almost surely, 2^{9954479325184} is an apocalyptic number.

9954479325184 is the 3155072-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9954479325184

9954479325184 is an abundant number, since it is smaller than the sum of its proper divisors (10081489386883).

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

9954479325184 is an frugal number, since it uses more digits than its factorization.

9954479325184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 159 counting only the distinct ones).

The product of its digits is 391910400, while the sum is 70.

The spelling of 9954479325184 in words is "nine trillion, nine hundred fifty-four billion, four hundred seventy-nine million, three hundred twenty-five thousand, one hundred eighty-four".