9791449149 has 8 divisors (see below), whose sum is σ = 13823222400. Its totient is φ = 6143654336.

The previous prime is 9791449111. The next prime is 9791449237. The reversal of 9791449149 is 9419441979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9791449149 - 2²⁰ = 9790400573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9791442149) 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, 95994549 + ... + 95994650.

It is an arithmetic number, because the mean of its divisors is an integer number (1727902800).

Almost surely, 2^9791449149 is an apocalyptic number.

It is an amenable number.

9791449149 is a deficient number, since it is larger than the sum of its proper divisors (4031773251).

9791449149 is a wasteful number, since it uses less digits than its factorization.

9791449149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191989219.

The product of its digits is 2939328, while the sum is 57.

The square root of 9791449149 is about 98951.7516216868. The cubic root of 9791449149 is about 2139.3523784199.

The spelling of 9791449149 in words is "nine billion, seven hundred ninety-one million, four hundred forty-nine thousand, one hundred forty-nine".