2075604309 has 12 divisors (see below), whose sum is σ = 3010965516. Its totient is φ = 1377796032.

The previous prime is 2075604301. The next prime is 2075604313. The reversal of 2075604309 is 9034065702.

It can be written as a sum of positive squares in 2 ways, for example, as 533471409 + 1542132900 = 23097^2 + 39270^2 .

It is not a de Polignac number, because 2075604309 - 2³ = 2075604301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2075604301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 492802 + ... + 496995.

It is an arithmetic number, because the mean of its divisors is an integer number (250913793).

Almost surely, 2^2075604309 is an apocalyptic number.

It is an amenable number.

2075604309 is a deficient number, since it is larger than the sum of its proper divisors (935361207).

2075604309 is a wasteful number, since it uses less digits than its factorization.

2075604309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990036 (or 990033 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2075604309 is about 45558.8005658621. The cubic root of 2075604309 is about 1275.6010103072.

The spelling of 2075604309 in words is "two billion, seventy-five million, six hundred four thousand, three hundred nine".