9947401375 has 16 divisors (see below), whose sum is σ = 12419226144. Its totient is φ = 7954800000.

The previous prime is 9947401349. The next prime is 9947401391. The reversal of 9947401375 is 5731047499.

9947401375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9947401375 - 2²¹ = 9945304223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335920 + ... + 364330.

It is an arithmetic number, because the mean of its divisors is an integer number (776201634).

Almost surely, 2^9947401375 is an apocalyptic number.

9947401375 is a deficient number, since it is larger than the sum of its proper divisors (2471824769).

9947401375 is a wasteful number, since it uses less digits than its factorization.

9947401375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31227 (or 31217 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 9947401375 is about 99736.6601355790. The cubic root of 9947401375 is about 2150.6507044305.

The spelling of 9947401375 in words is "nine billion, nine hundred forty-seven million, four hundred one thousand, three hundred seventy-five".