4793921918 has 4 divisors (see below), whose sum is σ = 7190882880. Its totient is φ = 2396960958.

The previous prime is 4793921911. The next prime is 4793921927. The reversal of 4793921918 is 8191293974.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4793921918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4793921911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198480478 + ... + 1198480481.

It is an arithmetic number, because the mean of its divisors is an integer number (1797720720).

Almost surely, 2^4793921918 is an apocalyptic number.

4793921918 is a deficient number, since it is larger than the sum of its proper divisors (2396960962).

4793921918 is a wasteful number, since it uses less digits than its factorization.

4793921918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396960961.

The product of its digits is 979776, while the sum is 53.

The square root of 4793921918 is about 69238.1536293394. The cubic root of 4793921918 is about 1686.1530225140.

The spelling of 4793921918 in words is "four billion, seven hundred ninety-three million, nine hundred twenty-one thousand, nine hundred eighteen".