968648393 has 2 divisors, whose sum is σ = 968648394. Its totient is φ = 968648392.

The previous prime is 968648363. The next prime is 968648399. The reversal of 968648393 is 393846869.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 932203024 + 36445369 = 30532^2 + 6037^2 .

It is a cyclic number.

It is not a de Polignac number, because 968648393 - 2²² = 964454089 is a prime.

It is a super-2 number, since 2×968648393² = 1876559418522964898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (968648399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484324196 + 484324197.

It is an arithmetic number, because the mean of its divisors is an integer number (484324197).

Almost surely, 2^968648393 is an apocalyptic number.

It is an amenable number.

968648393 is a deficient number, since it is larger than the sum of its proper divisors (1).

968648393 is an equidigital number, since it uses as much as digits as its factorization.

968648393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 56.

The square root of 968648393 is about 31123.1166980430. The cubic root of 968648393 is about 989.4383077058.

The spelling of 968648393 in words is "nine hundred sixty-eight million, six hundred forty-eight thousand, three hundred ninety-three".