4749942279 has 4 divisors (see below), whose sum is σ = 6333256376. Its totient is φ = 3166628184.

The previous prime is 4749942257. The next prime is 4749942299. The reversal of 4749942279 is 9722499474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4749942279 - 2¹² = 4749938183 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 (4749942299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791657044 + ... + 791657049.

It is an arithmetic number, because the mean of its divisors is an integer number (1583314094).

Almost surely, 2^4749942279 is an apocalyptic number.

4749942279 is a deficient number, since it is larger than the sum of its proper divisors (1583314097).

4749942279 is a wasteful number, since it uses less digits than its factorization.

4749942279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583314096.

The product of its digits is 9144576, while the sum is 57.

The square root of 4749942279 is about 68919.8250070326. The cubic root of 4749942279 is about 1680.9808943690.

The spelling of 4749942279 in words is "four billion, seven hundred forty-nine million, nine hundred forty-two thousand, two hundred seventy-nine".