2101675765 has 32 divisors (see below), whose sum is σ = 2939166720. Its totient is φ = 1412921664.

The previous prime is 2101675699. The next prime is 2101675777. The reversal of 2101675765 is 5675761012.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2101675765 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 520926 + ... + 524944.

It is an arithmetic number, because the mean of its divisors is an integer number (91848960).

Almost surely, 2^2101675765 is an apocalyptic number.

It is an amenable number.

2101675765 is a deficient number, since it is larger than the sum of its proper divisors (837490955).

2101675765 is a wasteful number, since it uses less digits than its factorization.

2101675765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2101675765 is about 45844.0373985538. The cubic root of 2101675765 is about 1280.9197013663.

The spelling of 2101675765 in words is "two billion, one hundred one million, six hundred seventy-five thousand, seven hundred sixty-five".