9479889749 has 16 divisors (see below), whose sum is σ = 10391625216. Its totient is φ = 8576578800.

The previous prime is 9479889703. The next prime is 9479889751.

9479889749 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 9479889749 - 2¹⁶ = 9479824213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479889799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2238464 + ... + 2242694.

It is an arithmetic number, because the mean of its divisors is an integer number (649476576).

Almost surely, 2^9479889749 is an apocalyptic number.

It is an amenable number.

9479889749 is a deficient number, since it is larger than the sum of its proper divisors (911735467).

9479889749 is a wasteful number, since it uses less digits than its factorization.

9479889749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176.

The product of its digits is 329204736, while the sum is 74.

The square root of 9479889749 is about 97364.7253834776. The cubic root of 9479889749 is about 2116.4162894316.

The spelling of 9479889749 in words is "nine billion, four hundred seventy-nine million, eight hundred eighty-nine thousand, seven hundred forty-nine".