1719368461 has 2 divisors, whose sum is σ = 1719368462. Its totient is φ = 1719368460.

The previous prime is 1719368449. The next prime is 1719368467. The reversal of 1719368461 is 1648639171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891022500 + 828345961 = 29850^2 + 28781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1719368461 - 2¹⁷ = 1719237389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1719368467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 859684230 + 859684231.

It is an arithmetic number, because the mean of its divisors is an integer number (859684231).

Almost surely, 2^1719368461 is an apocalyptic number.

It is an amenable number.

1719368461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1719368461 is an equidigital number, since it uses as much as digits as its factorization.

1719368461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 1719368461 is about 41465.2681288811. The cubic root of 1719368461 is about 1197.9986224939.

The spelling of 1719368461 in words is "one billion, seven hundred nineteen million, three hundred sixty-eight thousand, four hundred sixty-one".