1796949409 has 2 divisors, whose sum is σ = 1796949410. Its totient is φ = 1796949408.

The previous prime is 1796949383. The next prime is 1796949421. The reversal of 1796949409 is 9049496971.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1705937809 + 91011600 = 41303^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1796949409 - 2⁷ = 1796949281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1796949439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 898474704 + 898474705.

It is an arithmetic number, because the mean of its divisors is an integer number (898474705).

Almost surely, 2^1796949409 is an apocalyptic number.

It is an amenable number.

1796949409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1796949409 is an equidigital number, since it uses as much as digits as its factorization.

1796949409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 1796949409 is about 42390.4400661281. The cubic root of 1796949409 is about 1215.7528138433.

The spelling of 1796949409 in words is "one billion, seven hundred ninety-six million, nine hundred forty-nine thousand, four hundred nine".