379689689 has 2 divisors, whose sum is σ = 379689690. Its totient is φ = 379689688.

The previous prime is 379689659. The next prime is 379689701. The reversal of 379689689 is 986986973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 102400 = 19483^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 379689689 - 2⁸ = 379689433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (379689659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189844844 + 189844845.

It is an arithmetic number, because the mean of its divisors is an integer number (189844845).

Almost surely, 2^379689689 is an apocalyptic number.

It is an amenable number.

379689689 is a deficient number, since it is larger than the sum of its proper divisors (1).

379689689 is an equidigital number, since it uses as much as digits as its factorization.

379689689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35271936, while the sum is 65.

The square root of 379689689 is about 19485.6277548351. The cubic root of 379689689 is about 724.1184300277.

The spelling of 379689689 in words is "three hundred seventy-nine million, six hundred eighty-nine thousand, six hundred eighty-nine".