2894272009 has 2 divisors, whose sum is σ = 2894272010. Its totient is φ = 2894272008.

The previous prime is 2894271973. The next prime is 2894272013. The reversal of 2894272009 is 9002724982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2883690000 + 10582009 = 53700^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 2894272009 - 2¹³ = 2894263817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2894272709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1447136004 + 1447136005.

It is an arithmetic number, because the mean of its divisors is an integer number (1447136005).

Almost surely, 2^2894272009 is an apocalyptic number.

It is an amenable number.

2894272009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2894272009 is an equidigital number, since it uses as much as digits as its factorization.

2894272009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 2894272009 is about 53798.4387226990. The cubic root of 2894272009 is about 1425.1036360863.

The spelling of 2894272009 in words is "two billion, eight hundred ninety-four million, two hundred seventy-two thousand, nine".