2065759279 has 4 divisors (see below), whose sum is σ = 2066066800. Its totient is φ = 2065451760.

The previous prime is 2065759273. The next prime is 2065759303. The reversal of 2065759279 is 9729575602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2065759279 - 2¹⁵ = 2065726511 is a prime.

It is a super-2 number, since 2×2065759279² = 8534722797549199682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065759273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143454 + ... + 157195.

It is an arithmetic number, because the mean of its divisors is an integer number (516516700).

Almost surely, 2^2065759279 is an apocalyptic number.

2065759279 is a deficient number, since it is larger than the sum of its proper divisors (307521).

2065759279 is an equidigital number, since it uses as much as digits as its factorization.

2065759279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307520.

The product of its (nonzero) digits is 2381400, while the sum is 52.

The square root of 2065759279 is about 45450.6246271710. The cubic root of 2065759279 is about 1273.5809980706.

The spelling of 2065759279 in words is "two billion, sixty-five million, seven hundred fifty-nine thousand, two hundred seventy-nine".