2171460765 has 8 divisors (see below), whose sum is σ = 3474337248. Its totient is φ = 1158112400.

The previous prime is 2171460763. The next prime is 2171460787. The reversal of 2171460765 is 5670641712.

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

It is not a de Polignac number, because 2171460765 - 2¹ = 2171460763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2171460761) 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 7 ways as a sum of consecutive naturals, for example, 72382011 + ... + 72382040.

It is an arithmetic number, because the mean of its divisors is an integer number (434292156).

Almost surely, 2^2171460765 is an apocalyptic number.

It is an amenable number.

2171460765 is a deficient number, since it is larger than the sum of its proper divisors (1302876483).

2171460765 is a wasteful number, since it uses less digits than its factorization.

2171460765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144764059.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 2171460765 is about 46598.9352346167. The cubic root of 2171460765 is about 1294.9430295495.

The spelling of 2171460765 in words is "two billion, one hundred seventy-one million, four hundred sixty thousand, seven hundred sixty-five".