4491049479 has 12 divisors (see below), whose sum is σ = 6965709624. Its totient is φ = 2566313904.

The previous prime is 4491049457. The next prime is 4491049489. The reversal of 4491049479 is 9749401944.

It is not a de Polignac number, because 4491049479 - 2⁷ = 4491049351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4491049429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15275532 + ... + 15275825.

It is an arithmetic number, because the mean of its divisors is an integer number (580475802).

Almost surely, 2^4491049479 is an apocalyptic number.

4491049479 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4491049479 is a deficient number, since it is larger than the sum of its proper divisors (2474660145).

4491049479 is a wasteful number, since it uses less digits than its factorization.

4491049479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551374 (or 30551367 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 4491049479 is about 67015.2928740896. The cubic root of 4491049479 is about 1649.8683064773.

The spelling of 4491049479 in words is "four billion, four hundred ninety-one million, forty-nine thousand, four hundred seventy-nine".