2065522723447 has 8 divisors (see below), whose sum is σ = 2073958508160. Its totient is φ = 2057088579000.

The previous prime is 2065522723393. The next prime is 2065522723541. The reversal of 2065522723447 is 7443272255602.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065522723447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2065522723447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065522726447) 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, 2146054 + ... + 2955772.

It is an arithmetic number, because the mean of its divisors is an integer number (259244813520).

Almost surely, 2^{2065522723447} is an apocalyptic number.

2065522723447 is a deficient number, since it is larger than the sum of its proper divisors (8435784713).

2065522723447 is a wasteful number, since it uses less digits than its factorization.

2065522723447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820133.

The product of its (nonzero) digits is 5644800, while the sum is 49.

The spelling of 2065522723447 in words is "two trillion, sixty-five billion, five hundred twenty-two million, seven hundred twenty-three thousand, four hundred forty-seven".