9439147102 has 32 divisors (see below), whose sum is σ = 17827236864. Its totient is φ = 3641172000.

The previous prime is 9439147097. The next prime is 9439147103. The reversal of 9439147102 is 2017419349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9439147103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287878 + ... + 318985.

It is an arithmetic number, because the mean of its divisors is an integer number (557101152).

Almost surely, 2^9439147102 is an apocalyptic number.

9439147102 is a deficient number, since it is larger than the sum of its proper divisors (8388089762).

9439147102 is a wasteful number, since it uses less digits than its factorization.

9439147102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606984.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 9439147102 is about 97155.2731559126. The cubic root of 9439147102 is about 2113.3799591715.

The spelling of 9439147102 in words is "nine billion, four hundred thirty-nine million, one hundred forty-seven thousand, one hundred two".