2089020779999 has 2 divisors, whose sum is σ = 2089020780000. Its totient is φ = 2089020779998.

The previous prime is 2089020779983. The next prime is 2089020780001. The reversal of 2089020779999 is 9999770209802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2089020779999 - 2⁴ = 2089020779983 is a prime.

Together with 2089020780001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2089022779999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044510389999 + 1044510390000.

It is an arithmetic number, because the mean of its divisors is an integer number (1044510390000).

Almost surely, 2^{2089020779999} is an apocalyptic number.

2089020779999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2089020779999 is an equidigital number, since it uses as much as digits as its factorization.

2089020779999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92588832, while the sum is 71.

The spelling of 2089020779999 in words is "two trillion, eighty-nine billion, twenty million, seven hundred seventy-nine thousand, nine hundred ninety-nine".