379542409 has 4 divisors (see below), whose sum is σ = 379600000. Its totient is φ = 379484820.

The previous prime is 379542379. The next prime is 379542431. The reversal of 379542409 is 904245973.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 379542409 - 2⁵ = 379542377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379542439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17409 + ... + 32590.

It is an arithmetic number, because the mean of its divisors is an integer number (94900000).

Almost surely, 2^379542409 is an apocalyptic number.

It is an amenable number.

379542409 is a deficient number, since it is larger than the sum of its proper divisors (57591).

379542409 is an equidigital number, since it uses as much as digits as its factorization.

379542409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57590.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 379542409 is about 19481.8481926125. The cubic root of 379542409 is about 724.0247904426.

The spelling of 379542409 in words is "three hundred seventy-nine million, five hundred forty-two thousand, four hundred nine".