2609072385 has 16 divisors (see below), whose sum is σ = 4177065984. Its totient is φ = 1390655232.

The previous prime is 2609072383. The next prime is 2609072387. The reversal of 2609072385 is 5832709062.

It is an interprime number because it is at equal distance from previous prime (2609072383) and next prime (2609072387).

It is not a de Polignac number, because 2609072385 - 2¹ = 2609072383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2609072383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27352 + ... + 77241.

It is an arithmetic number, because the mean of its divisors is an integer number (261066624).

Almost surely, 2^2609072385 is an apocalyptic number.

It is an amenable number.

2609072385 is a deficient number, since it is larger than the sum of its proper divisors (1567993599).

2609072385 is a wasteful number, since it uses less digits than its factorization.

2609072385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106264.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2609072385 is about 51079.0797195877. The cubic root of 2609072385 is about 1376.6663891315. Note that the first 3 decimals are identical.

The spelling of 2609072385 in words is "two billion, six hundred nine million, seventy-two thousand, three hundred eighty-five".