2065436447 has 8 divisors (see below), whose sum is σ = 2116580544. Its totient is φ = 2014743328.

The previous prime is 2065436441. The next prime is 2065436519. The reversal of 2065436447 is 7446345602.

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

It is a cyclic number.

It is not a de Polignac number, because 2065436447 - 2²⁸ = 1797000991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065436441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103463 + ... + 121800.

It is an arithmetic number, because the mean of its divisors is an integer number (264572568).

Almost surely, 2^2065436447 is an apocalyptic number.

2065436447 is a deficient number, since it is larger than the sum of its proper divisors (51144097).

2065436447 is a wasteful number, since it uses less digits than its factorization.

2065436447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225489.

The product of its (nonzero) digits is 483840, while the sum is 41.

The square root of 2065436447 is about 45447.0730300643. The cubic root of 2065436447 is about 1273.5146505336.

The spelling of 2065436447 in words is "two billion, sixty-five million, four hundred thirty-six thousand, four hundred forty-seven".