2819494979 has 16 divisors (see below), whose sum is σ = 3338689728. Its totient is φ = 2330560512.

The previous prime is 2819494973. The next prime is 2819495027. The reversal of 2819494979 is 9794949182.

It is not a de Polignac number, because 2819494979 - 2⁴ = 2819494963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2819494973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18902 + ... + 77435.

It is an arithmetic number, because the mean of its divisors is an integer number (208668108).

Almost surely, 2^2819494979 is an apocalyptic number.

2819494979 is a deficient number, since it is larger than the sum of its proper divisors (519194749).

2819494979 is a wasteful number, since it uses less digits than its factorization.

2819494979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96494.

The product of its digits is 11757312, while the sum is 62.

The square root of 2819494979 is about 53098.9169286907. The cubic root of 2819494979 is about 1412.7233015696.

The spelling of 2819494979 in words is "two billion, eight hundred nineteen million, four hundred ninety-four thousand, nine hundred seventy-nine".