1399362379 has 2 divisors, whose sum is σ = 1399362380. Its totient is φ = 1399362378.

The previous prime is 1399362353. The next prime is 1399362401. The reversal of 1399362379 is 9732639931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1399362379 - 2⁵ = 1399362347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1399362319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699681189 + 699681190.

It is an arithmetic number, because the mean of its divisors is an integer number (699681190).

Almost surely, 2^1399362379 is an apocalyptic number.

1399362379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1399362379 is an equidigital number, since it uses as much as digits as its factorization.

1399362379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 52.

The square root of 1399362379 is about 37408.0523283424. The cubic root of 1399362379 is about 1118.5190830627.

The spelling of 1399362379 in words is "one billion, three hundred ninety-nine million, three hundred sixty-two thousand, three hundred seventy-nine".