395061728371 has 2 divisors, whose sum is σ = 395061728372. Its totient is φ = 395061728370.

The previous prime is 395061728363. The next prime is 395061728461. The reversal of 395061728371 is 173827160593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395061728371 - 2³ = 395061728363 is a prime.

It is not a weakly prime, because it can be changed into another prime (395061728471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197530864185 + 197530864186.

It is an arithmetic number, because the mean of its divisors is an integer number (197530864186).

Almost surely, 2^395061728371 is an apocalyptic number.

395061728371 is a deficient number, since it is larger than the sum of its proper divisors (1).

395061728371 is an equidigital number, since it uses as much as digits as its factorization.

395061728371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 395061728371 in words is "three hundred ninety-five billion, sixty-one million, seven hundred twenty-eight thousand, three hundred seventy-one".