2026672416689 has 2 divisors, whose sum is σ = 2026672416690. Its totient is φ = 2026672416688.

The previous prime is 2026672416683. The next prime is 2026672416709. The reversal of 2026672416689 is 9866142766202.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788660158464 + 238012258225 = 1337408^2 + 487865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026672416689 is a prime.

It is not a weakly prime, because it can be changed into another prime (2026672416683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013336208344 + 1013336208345.

It is an arithmetic number, because the mean of its divisors is an integer number (1013336208345).

Almost surely, 2^{2026672416689} is an apocalyptic number.

It is an amenable number.

2026672416689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026672416689 is an equidigital number, since it uses as much as digits as its factorization.

2026672416689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20901888, while the sum is 59.

The spelling of 2026672416689 in words is "two trillion, twenty-six billion, six hundred seventy-two million, four hundred sixteen thousand, six hundred eighty-nine".