2095687509 has 8 divisors (see below), whose sum is σ = 2810982720. Its totient is φ = 1388758656.

The previous prime is 2095687487. The next prime is 2095687541. The reversal of 2095687509 is 9057865902.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2095687509 - 2¹³ = 2095679317 is a prime.

It is a super-2 number, since 2×2095687509² = 8783812270757250162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2095687609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091004 + ... + 2092005.

It is an arithmetic number, because the mean of its divisors is an integer number (351372840).

Almost surely, 2^2095687509 is an apocalyptic number.

It is an amenable number.

2095687509 is a deficient number, since it is larger than the sum of its proper divisors (715295211).

2095687509 is a wasteful number, since it uses less digits than its factorization.

2095687509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183179.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The square root of 2095687509 is about 45778.6796336461. The cubic root of 2095687509 is about 1279.7019791609.

The spelling of 2095687509 in words is "two billion, ninety-five million, six hundred eighty-seven thousand, five hundred nine".