9747909423 has 36 divisors (see below), whose sum is σ = 16429436400. Its totient is φ = 5567099328.

The previous prime is 9747909383. The next prime is 9747909491. The reversal of 9747909423 is 3249097479.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9747909423 is a `hidden beast` number, since 97 + 47 + 90 + 9 + 423 = 666.

It is not a de Polignac number, because 9747909423 - 2⁸ = 9747909167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9747909423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9747909323) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5484711 + ... + 5486487.

Almost surely, 2^9747909423 is an apocalyptic number.

9747909423 is a deficient number, since it is larger than the sum of its proper divisors (6681526977).

9747909423 is an frugal number, since it uses more digits than its factorization.

9747909423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 1787 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 54.

The square root of 9747909423 is about 98731.5016749973. The cubic root of 9747909423 is about 2136.1766406701.

The spelling of 9747909423 in words is "nine billion, seven hundred forty-seven million, nine hundred nine thousand, four hundred twenty-three".