379808609 has 2 divisors, whose sum is σ = 379808610. Its totient is φ = 379808608.

The previous prime is 379808603. The next prime is 379808633. The reversal of 379808609 is 906808973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303630625 + 76177984 = 17425^2 + 8728^2 .

It is a cyclic number.

It is not a de Polignac number, because 379808609 - 2¹⁶ = 379743073 is a prime.

It is not a weakly prime, because it can be changed into another prime (379808603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189904304 + 189904305.

It is an arithmetic number, because the mean of its divisors is an integer number (189904305).

Almost surely, 2^379808609 is an apocalyptic number.

It is an amenable number.

379808609 is a deficient number, since it is larger than the sum of its proper divisors (1).

379808609 is an equidigital number, since it uses as much as digits as its factorization.

379808609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 379808609 is about 19488.6789957657. The cubic root of 379808609 is about 724.1940208567.

The spelling of 379808609 in words is "three hundred seventy-nine million, eight hundred eight thousand, six hundred nine".