2069345409 has 16 divisors (see below), whose sum is σ = 2858846400. Its totient is φ = 1330586816.

The previous prime is 2069345401. The next prime is 2069345419. The reversal of 2069345409 is 9045439602.

It is a cyclic number.

It is not a de Polignac number, because 2069345409 - 2³ = 2069345401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2069345401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100914 + ... + 119675.

It is an arithmetic number, because the mean of its divisors is an integer number (178677900).

Almost surely, 2^2069345409 is an apocalyptic number.

It is an amenable number.

2069345409 is a deficient number, since it is larger than the sum of its proper divisors (789500991).

2069345409 is a wasteful number, since it uses less digits than its factorization.

2069345409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220704.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 2069345409 is about 45490.0583534469. The cubic root of 2069345409 is about 1274.3175451174.

The spelling of 2069345409 in words is "two billion, sixty-nine million, three hundred forty-five thousand, four hundred nine".