2065777963 has 4 divisors (see below), whose sum is σ = 2073129768. Its totient is φ = 2058426160.

The previous prime is 2065777957. The next prime is 2065777997. The reversal of 2065777963 is 3697775602.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2065777963 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 2065777963.

It is not an unprimeable number, because it can be changed into a prime (2065777463) 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, 3675481 + ... + 3676042.

It is an arithmetic number, because the mean of its divisors is an integer number (518282442).

Almost surely, 2^2065777963 is an apocalyptic number.

2065777963 is a deficient number, since it is larger than the sum of its proper divisors (7351805).

2065777963 is an equidigital number, since it uses as much as digits as its factorization.

2065777963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351804.

The product of its (nonzero) digits is 3333960, while the sum is 52.

The square root of 2065777963 is about 45450.8301684359. The cubic root of 2065777963 is about 1273.5848377428.

The spelling of 2065777963 in words is "two billion, sixty-five million, seven hundred seventy-seven thousand, nine hundred sixty-three".