2026790017 has 4 divisors (see below), whose sum is σ = 2316331456. Its totient is φ = 1737248580.

The previous prime is 2026790011. The next prime is 2026790039. The reversal of 2026790017 is 7100976202.

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 a de Polignac number, because none of the positive numbers 2^k-2026790017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2026790011) 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, 144770709 + ... + 144770722.

It is an arithmetic number, because the mean of its divisors is an integer number (579082864).

Almost surely, 2^2026790017 is an apocalyptic number.

It is an amenable number.

2026790017 is a deficient number, since it is larger than the sum of its proper divisors (289541439).

2026790017 is an equidigital number, since it uses as much as digits as its factorization.

2026790017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289541438.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2026790017 is about 45019.8846844369. The cubic root of 2026790017 is about 1265.5216681187.

The spelling of 2026790017 in words is "two billion, twenty-six million, seven hundred ninety thousand, seventeen".