2009894829 has 4 divisors (see below), whose sum is σ = 2679859776. Its totient is φ = 1339929884.

The previous prime is 2009894801. The next prime is 2009894881. The reversal of 2009894829 is 9284989002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2009894829 - 2⁸ = 2009894573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009890829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334982469 + ... + 334982474.

It is an arithmetic number, because the mean of its divisors is an integer number (669964944).

Almost surely, 2^2009894829 is an apocalyptic number.

It is an amenable number.

2009894829 is a deficient number, since it is larger than the sum of its proper divisors (669964947).

2009894829 is an equidigital number, since it uses as much as digits as its factorization.

2009894829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669964946.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 2009894829 is about 44831.8506086911. The cubic root of 2009894829 is about 1261.9954166197.

The spelling of 2009894829 in words is "two billion, nine million, eight hundred ninety-four thousand, eight hundred twenty-nine".