9949943270 has 32 divisors (see below), whose sum is σ = 18092160000. Its totient is φ = 3939618816.

The previous prime is 9949943231. The next prime is 9949943291. The reversal of 9949943270 is 723499499.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561506 + ... + 578954.

It is an arithmetic number, because the mean of its divisors is an integer number (565380000).

Almost surely, 2^9949943270 is an apocalyptic number.

9949943270 is a deficient number, since it is larger than the sum of its proper divisors (8142216730).

9949943270 is a wasteful number, since it uses less digits than its factorization.

9949943270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The square root of 9949943270 is about 99749.4023540993. The cubic root of 9949943270 is about 2150.8338766476.

The spelling of 9949943270 in words is "nine billion, nine hundred forty-nine million, nine hundred forty-three thousand, two hundred seventy".