2170338765 has 32 divisors (see below), whose sum is σ = 4141172736. Its totient is φ = 949016640.

The previous prime is 2170338739. The next prime is 2170338767. The reversal of 2170338765 is 5678330712.

It is not a de Polignac number, because 2170338765 - 2⁵ = 2170338733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170338767) 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 31 ways as a sum of consecutive naturals, for example, 446931 + ... + 451760.

It is an arithmetic number, because the mean of its divisors is an integer number (129411648).

Almost surely, 2^2170338765 is an apocalyptic number.

It is an amenable number.

2170338765 is a deficient number, since it is larger than the sum of its proper divisors (1970833971).

2170338765 is a wasteful number, since it uses less digits than its factorization.

2170338765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898729.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 2170338765 is about 46586.8947773942. The cubic root of 2170338765 is about 1294.7199575330.

The spelling of 2170338765 in words is "two billion, one hundred seventy million, three hundred thirty-eight thousand, seven hundred sixty-five".