379791289 has 2 divisors, whose sum is σ = 379791290. Its totient is φ = 379791288.

The previous prime is 379791253. The next prime is 379791299. The reversal of 379791289 is 982197973.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237776400 + 142014889 = 15420^2 + 11917^2 .

It is an emirp because it is prime and its reverse (982197973) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 379791289 - 2¹³ = 379783097 is a prime.

It is not a weakly prime, because it can be changed into another prime (379791299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189895644 + 189895645.

It is an arithmetic number, because the mean of its divisors is an integer number (189895645).

Almost surely, 2^379791289 is an apocalyptic number.

It is an amenable number.

379791289 is a deficient number, since it is larger than the sum of its proper divisors (1).

379791289 is an equidigital number, since it uses as much as digits as its factorization.

379791289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1714608, while the sum is 55.

The square root of 379791289 is about 19488.2346301557. The cubic root of 379791289 is about 724.1830124779.

The spelling of 379791289 in words is "three hundred seventy-nine million, seven hundred ninety-one thousand, two hundred eighty-nine".