2742299809 has 2 divisors, whose sum is σ = 2742299810. Its totient is φ = 2742299808.

The previous prime is 2742299803. The next prime is 2742299837. The reversal of 2742299809 is 9089922472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2180609809 + 561690000 = 46697^2 + 23700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2742299809 - 2¹⁵ = 2742267041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2742299803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1371149904 + 1371149905.

It is an arithmetic number, because the mean of its divisors is an integer number (1371149905).

Almost surely, 2^2742299809 is an apocalyptic number.

It is an amenable number.

2742299809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2742299809 is an equidigital number, since it uses as much as digits as its factorization.

2742299809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 2742299809 is about 52366.9725017592. The cubic root of 2742299809 is about 1399.7107921312.

The spelling of 2742299809 in words is "two billion, seven hundred forty-two million, two hundred ninety-nine thousand, eight hundred nine".