2051170789 has 2 divisors, whose sum is σ = 2051170790. Its totient is φ = 2051170788.

The previous prime is 2051170747. The next prime is 2051170817. The reversal of 2051170789 is 9870711502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2037168225 + 14002564 = 45135^2 + 3742^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051170789 - 2¹⁵ = 2051138021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051170729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025585394 + 1025585395.

It is an arithmetic number, because the mean of its divisors is an integer number (1025585395).

Almost surely, 2^2051170789 is an apocalyptic number.

It is an amenable number.

2051170789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051170789 is an equidigital number, since it uses as much as digits as its factorization.

2051170789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 40.

The square root of 2051170789 is about 45289.8530467918. The cubic root of 2051170789 is about 1270.5758830380.

The spelling of 2051170789 in words is "two billion, fifty-one million, one hundred seventy thousand, seven hundred eighty-nine".