246678806393 has 2 divisors, whose sum is σ = 246678806394. Its totient is φ = 246678806392.

The previous prime is 246678806333. The next prime is 246678806417. The reversal of 246678806393 is 393608876642.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162354196624 + 84324609769 = 402932^2 + 290387^2 .

It is a cyclic number.

It is not a de Polignac number, because 246678806393 - 2⁸ = 246678806137 is a prime.

It is not a weakly prime, because it can be changed into another prime (246678806333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123339403196 + 123339403197.

It is an arithmetic number, because the mean of its divisors is an integer number (123339403197).

Almost surely, 2^246678806393 is an apocalyptic number.

It is an amenable number.

246678806393 is a deficient number, since it is larger than the sum of its proper divisors (1).

246678806393 is an equidigital number, since it uses as much as digits as its factorization.

246678806393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 246678806393 in words is "two hundred forty-six billion, six hundred seventy-eight million, eight hundred six thousand, three hundred ninety-three".