4989995858 has 8 divisors (see below), whose sum is σ = 7485578928. Its totient is φ = 2494802884.

The previous prime is 4989995851. The next prime is 4989995869. The reversal of 4989995858 is 8585999894.

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

It is not an unprimeable number, because it can be changed into a prime (4989995851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63116 + ... + 118167.

It is an arithmetic number, because the mean of its divisors is an integer number (935697366).

Almost surely, 2^4989995858 is an apocalyptic number.

4989995858 is a deficient number, since it is larger than the sum of its proper divisors (2495583070).

4989995858 is a wasteful number, since it uses less digits than its factorization.

4989995858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195048.

The product of its digits is 335923200, while the sum is 74.

The square root of 4989995858 is about 70639.9027320961. The cubic root of 4989995858 is about 1708.8347290653.

The spelling of 4989995858 in words is "four billion, nine hundred eighty-nine million, nine hundred ninety-five thousand, eight hundred fifty-eight".