4779951994 has 4 divisors (see below), whose sum is σ = 7169927994. Its totient is φ = 2389975996.

The previous prime is 4779951949. The next prime is 4779951997. The reversal of 4779951994 is 4991599774.

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

It can be written as a sum of positive squares in only one way, i.e., 4779924769 + 27225 = 69137^2 + 165^2 .

It is not an unprimeable number, because it can be changed into a prime (4779951997) 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 as a sum of consecutive naturals, namely, 1194987997 + ... + 1194988000.

Almost surely, 2^4779951994 is an apocalyptic number.

4779951994 is a deficient number, since it is larger than the sum of its proper divisors (2389976000).

4779951994 is a wasteful number, since it uses less digits than its factorization.

4779951994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389975999.

The product of its digits is 25719120, while the sum is 64.

The square root of 4779951994 is about 69137.1968913985. The cubic root of 4779951994 is about 1684.5135612697.

The spelling of 4779951994 in words is "four billion, seven hundred seventy-nine million, nine hundred fifty-one thousand, nine hundred ninety-four".