395163469 has 2 divisors, whose sum is σ = 395163470. Its totient is φ = 395163468.

The previous prime is 395163467. The next prime is 395163497. The reversal of 395163469 is 964361593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 291897225 + 103266244 = 17085^2 + 10162^2 .

It is a cyclic number.

It is not a de Polignac number, because 395163469 - 2¹ = 395163467 is a prime.

It is a super-2 number, since 2×395163469² = 312308334464227922, which contains 22 as substring.

Together with 395163467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395163467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197581734 + 197581735.

It is an arithmetic number, because the mean of its divisors is an integer number (197581735).

Almost surely, 2^395163469 is an apocalyptic number.

It is an amenable number.

395163469 is a deficient number, since it is larger than the sum of its proper divisors (1).

395163469 is an equidigital number, since it uses as much as digits as its factorization.

395163469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The square root of 395163469 is about 19878.7189979636. The cubic root of 395163469 is about 733.8245942233.

The spelling of 395163469 in words is "three hundred ninety-five million, one hundred sixty-three thousand, four hundred sixty-nine".