2073776891 has 2 divisors, whose sum is σ = 2073776892. Its totient is φ = 2073776890.

The previous prime is 2073776839. The next prime is 2073776893. The reversal of 2073776891 is 1986773702.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2073776891 - 2⁶ = 2073776827 is a prime.

Together with 2073776893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2073776893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036888445 + 1036888446.

It is an arithmetic number, because the mean of its divisors is an integer number (1036888446).

Almost surely, 2^2073776891 is an apocalyptic number.

2073776891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2073776891 is an equidigital number, since it uses as much as digits as its factorization.

2073776891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 2073776891 is about 45538.7405513152. The cubic root of 2073776891 is about 1275.2265425469.

The spelling of 2073776891 in words is "two billion, seventy-three million, seven hundred seventy-six thousand, eight hundred ninety-one".