2065426893709 has 4 divisors (see below), whose sum is σ = 2068639066816. Its totient is φ = 2062214720604.

The previous prime is 2065426893701. The next prime is 2065426893749. The reversal of 2065426893709 is 9073986245602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2065426893709 - 2³ = 2065426893701 is a prime.

It is a super-5 number, since 5×2065426893709⁵ (a number of 63 digits) contains 55555 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 (2065426893701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606085589 + ... + 1606086874.

It is an arithmetic number, because the mean of its divisors is an integer number (517159766704).

Almost surely, 2^{2065426893709} is an apocalyptic number.

It is an amenable number.

2065426893709 is a deficient number, since it is larger than the sum of its proper divisors (3212173107).

2065426893709 is an equidigital number, since it uses as much as digits as its factorization.

2065426893709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212173106.

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 2065426893709 in words is "two trillion, sixty-five billion, four hundred twenty-six million, eight hundred ninety-three thousand, seven hundred nine".