390824774716379 has 2 divisors, whose sum is σ = 390824774716380. Its totient is φ = 390824774716378.

The previous prime is 390824774716333. The next prime is 390824774716391. The reversal of 390824774716379 is 973617477428093.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390824774716379 is a prime.

It is not a weakly prime, because it can be changed into another prime (390824774716319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195412387358189 + 195412387358190.

It is an arithmetic number, because the mean of its divisors is an integer number (195412387358190).

Almost surely, 2^{390824774716379} is an apocalyptic number.

390824774716379 is a deficient number, since it is larger than the sum of its proper divisors (1).

390824774716379 is an equidigital number, since it uses as much as digits as its factorization.

390824774716379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688505344, while the sum is 77.

The spelling of 390824774716379 in words is "three hundred ninety trillion, eight hundred twenty-four billion, seven hundred seventy-four million, seven hundred sixteen thousand, three hundred seventy-nine".