395493250279 has 2 divisors, whose sum is σ = 395493250280. Its totient is φ = 395493250278.

The previous prime is 395493250267. The next prime is 395493250301. The reversal of 395493250279 is 972052394593.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 395493250279 - 2⁷ = 395493250151 is a prime.

It is a super-2 number, since 2×395493250279² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395493250249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197746625139 + 197746625140.

It is an arithmetic number, because the mean of its divisors is an integer number (197746625140).

Almost surely, 2^395493250279 is an apocalyptic number.

395493250279 is a deficient number, since it is larger than the sum of its proper divisors (1).

395493250279 is an equidigital number, since it uses as much as digits as its factorization.

395493250279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 395493250279 in words is "three hundred ninety-five billion, four hundred ninety-three million, two hundred fifty thousand, two hundred seventy-nine".