9487744959 has 64 divisors (see below), whose sum is σ = 16344023040. Its totient is φ = 4751136000.

The previous prime is 9487744939. The next prime is 9487744961. The reversal of 9487744959 is 9594477849.

It is a happy number.

It is not a de Polignac number, because 9487744959 - 2¹³ = 9487736767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9487744959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9487744919) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1938187 + ... + 1943075.

It is an arithmetic number, because the mean of its divisors is an integer number (255375360).

Almost surely, 2^9487744959 is an apocalyptic number.

9487744959 is a deficient number, since it is larger than the sum of its proper divisors (6856278081).

9487744959 is a wasteful number, since it uses less digits than its factorization.

9487744959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5212.

The product of its digits is 91445760, while the sum is 66.

The square root of 9487744959 is about 97405.0561264660. The cubic root of 9487744959 is about 2117.0006951246. Note that the first 3 decimals are identical.

The spelling of 9487744959 in words is "nine billion, four hundred eighty-seven million, seven hundred forty-four thousand, nine hundred fifty-nine".