2979233809 has 2 divisors, whose sum is σ = 2979233810. Its totient is φ = 2979233808.

The previous prime is 2979233797. The next prime is 2979233837. The reversal of 2979233809 is 9083329792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2320541584 + 658692225 = 48172^2 + 25665^2 .

It is a cyclic number.

It is not a de Polignac number, because 2979233809 - 2¹⁹ = 2978709521 is a prime.

It is not a weakly prime, because it can be changed into another prime (2979233869) 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 as a sum of consecutive naturals, namely, 1489616904 + 1489616905.

It is an arithmetic number, because the mean of its divisors is an integer number (1489616905).

Almost surely, 2^2979233809 is an apocalyptic number.

It is an amenable number.

2979233809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2979233809 is an equidigital number, since it uses as much as digits as its factorization.

2979233809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 52.

The square root of 2979233809 is about 54582.3580381060. The cubic root of 2979233809 is about 1438.9140811554.

The spelling of 2979233809 in words is "two billion, nine hundred seventy-nine million, two hundred thirty-three thousand, eight hundred nine".