2940195865 has 8 divisors (see below), whose sum is σ = 3529749888. Its totient is φ = 2351146800.

The previous prime is 2940195859. The next prime is 2940195919. The reversal of 2940195865 is 5685910492.

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

It is not a de Polignac number, because 2940195865 - 2⁷ = 2940195737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 113307 + ... + 136816.

It is an arithmetic number, because the mean of its divisors is an integer number (441218736).

Almost surely, 2^2940195865 is an apocalyptic number.

It is an amenable number.

2940195865 is a deficient number, since it is larger than the sum of its proper divisors (589554023).

2940195865 is a wasteful number, since it uses less digits than its factorization.

2940195865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252479.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 2940195865 is about 54223.5729641638. The cubic root of 2940195865 is about 1432.6015635812.

The spelling of 2940195865 in words is "two billion, nine hundred forty million, one hundred ninety-five thousand, eight hundred sixty-five".