4990179859 has 4 divisors (see below), whose sum is σ = 5703062704. Its totient is φ = 4277297016.

The previous prime is 4990179853. The next prime is 4990179877. The reversal of 4990179859 is 9589710994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9589710994 = 2 ⋅4794855497.

It is a cyclic number.

It is not a de Polignac number, because 4990179859 - 2⁷ = 4990179731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4990179797 and 4990179806.

It is not an unprimeable number, because it can be changed into a prime (4990179853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356441412 + ... + 356441425.

It is an arithmetic number, because the mean of its divisors is an integer number (1425765676).

Almost surely, 2^4990179859 is an apocalyptic number.

4990179859 is a deficient number, since it is larger than the sum of its proper divisors (712882845).

4990179859 is an equidigital number, since it uses as much as digits as its factorization.

4990179859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712882844.

The product of its (nonzero) digits is 7348320, while the sum is 61.

The square root of 4990179859 is about 70641.2051072177. The cubic root of 4990179859 is about 1708.8557326521.

The spelling of 4990179859 in words is "four billion, nine hundred ninety million, one hundred seventy-nine thousand, eight hundred fifty-nine".