2065351445 has 4 divisors (see below), whose sum is σ = 2478421740. Its totient is φ = 1652281152.

The previous prime is 2065351441. The next prime is 2065351487. The reversal of 2065351445 is 5441535602.

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

It can be written as a sum of positive squares in 2 ways, for example, as 808719844 + 1256631601 = 28438^2 + 35449^2 .

It is a cyclic number.

It is not a de Polignac number, because 2065351445 - 2² = 2065351441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065351441) 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, 206535140 + ... + 206535149.

It is an arithmetic number, because the mean of its divisors is an integer number (619605435).

Almost surely, 2^2065351445 is an apocalyptic number.

It is an amenable number.

2065351445 is a deficient number, since it is larger than the sum of its proper divisors (413070295).

2065351445 is an equidigital number, since it uses as much as digits as its factorization.

2065351445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413070294.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 2065351445 is about 45446.1378447058. The cubic root of 2065351445 is about 1273.4971800086.

The spelling of 2065351445 in words is "two billion, sixty-five million, three hundred fifty-one thousand, four hundred forty-five".