2175056765 has 16 divisors (see below), whose sum is σ = 3055691520. Its totient is φ = 1455089280.

The previous prime is 2175056761. The next prime is 2175056773. The reversal of 2175056765 is 5676505712.

It is not a de Polignac number, because 2175056765 - 2² = 2175056761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175056761) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 756425 + ... + 759294.

It is an arithmetic number, because the mean of its divisors is an integer number (190980720).

Almost surely, 2^2175056765 is an apocalyptic number.

It is an amenable number.

2175056765 is a deficient number, since it is larger than the sum of its proper divisors (880634755).

2175056765 is a wasteful number, since it uses less digits than its factorization.

2175056765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515772.

The product of its (nonzero) digits is 441000, while the sum is 44.

The square root of 2175056765 is about 46637.5038461537. The cubic root of 2175056765 is about 1295.6574559971.

The spelling of 2175056765 in words is "two billion, one hundred seventy-five million, fifty-six thousand, seven hundred sixty-five".