379875109 has 2 divisors, whose sum is σ = 379875110. Its totient is φ = 379875108.

The previous prime is 379875101. The next prime is 379875131. The reversal of 379875109 is 901578973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329422500 + 50452609 = 18150^2 + 7103^2 .

It is a cyclic number.

It is not a de Polignac number, because 379875109 - 2³ = 379875101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379875101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189937554 + 189937555.

It is an arithmetic number, because the mean of its divisors is an integer number (189937555).

Almost surely, 2^379875109 is an apocalyptic number.

It is an amenable number.

379875109 is a deficient number, since it is larger than the sum of its proper divisors (1).

379875109 is an equidigital number, since it uses as much as digits as its factorization.

379875109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 379875109 is about 19490.3850398087. The cubic root of 379875109 is about 724.2362843291.

The spelling of 379875109 in words is "three hundred seventy-nine million, eight hundred seventy-five thousand, one hundred nine".