9709473894 has 16 divisors (see below), whose sum is σ = 19420262400. Its totient is φ = 3236272200.

The previous prime is 9709473889. The next prime is 9709473899. The reversal of 9709473894 is 4983749079.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9709473889) and next prime (9709473899).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9709473899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59619 + ... + 151569.

It is an arithmetic number, because the mean of its divisors is an integer number (1213766400).

Almost surely, 2^9709473894 is an apocalyptic number.

9709473894 is an abundant number, since it is smaller than the sum of its proper divisors (9710788506).

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

9709473894 is a wasteful number, since it uses less digits than its factorization.

9709473894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109555.

The product of its (nonzero) digits is 13716864, while the sum is 60.

The square root of 9709473894 is about 98536.6626895797. The cubic root of 9709473894 is about 2133.3653292130.

The spelling of 9709473894 in words is "nine billion, seven hundred nine million, four hundred seventy-three thousand, eight hundred ninety-four".