379129129 has 2 divisors, whose sum is σ = 379129130. Its totient is φ = 379129128.

The previous prime is 379129111. The next prime is 379129169. The reversal of 379129129 is 921921973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210830400 + 168298729 = 14520^2 + 12973^2 .

It is a cyclic number.

It is not a de Polignac number, because 379129129 - 2⁷ = 379129001 is a prime.

It is not a weakly prime, because it can be changed into another prime (379129169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189564564 + 189564565.

It is an arithmetic number, because the mean of its divisors is an integer number (189564565).

Almost surely, 2^379129129 is an apocalyptic number.

It is an amenable number.

379129129 is a deficient number, since it is larger than the sum of its proper divisors (1).

379129129 is an equidigital number, since it uses as much as digits as its factorization.

379129129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 43.

The square root of 379129129 is about 19471.2385070904. The cubic root of 379129129 is about 723.7619005066.

The spelling of 379129129 in words is "three hundred seventy-nine million, one hundred twenty-nine thousand, one hundred twenty-nine".