268371559645703 has 2 divisors, whose sum is σ = 268371559645704. Its totient is φ = 268371559645702.

The previous prime is 268371559645577. The next prime is 268371559645723. The reversal of 268371559645703 is 307546955173862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 268371559645703 - 2²² = 268371555451399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268371559645723) 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, 134185779822851 + 134185779822852.

It is an arithmetic number, because the mean of its divisors is an integer number (134185779822852).

It is a 1-persistent number, because it is pandigital, but 2⋅268371559645703 = 536743119291406 is not.

Almost surely, 2^{268371559645703} is an apocalyptic number.

268371559645703 is a deficient number, since it is larger than the sum of its proper divisors (1).

268371559645703 is an equidigital number, since it uses as much as digits as its factorization.

268371559645703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072000, while the sum is 71.

The spelling of 268371559645703 in words is "two hundred sixty-eight trillion, three hundred seventy-one billion, five hundred fifty-nine million, six hundred forty-five thousand, seven hundred three".