9479638369749 has 16 divisors (see below), whose sum is σ = 12902318649792. Its totient is φ = 6189448962048.

The previous prime is 9479638369723. The next prime is 9479638369763.

It is a happy number.

9479638369749 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9479638369749 - 2¹⁵ = 9479638336981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9479638369349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136272684 + ... + 136342229.

It is an arithmetic number, because the mean of its divisors is an integer number (806394915612).

Almost surely, 2^{9479638369749} is an apocalyptic number.

It is an amenable number.

9479638369749 is a deficient number, since it is larger than the sum of its proper divisors (3422680280043).

9479638369749 is a wasteful number, since it uses less digits than its factorization.

9479638369749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272615156.

The product of its digits is 13332791808, while the sum is 84.

The spelling of 9479638369749 in words is "nine trillion, four hundred seventy-nine billion, six hundred thirty-eight million, three hundred sixty-nine thousand, seven hundred forty-nine".