268371559645705 has 16 divisors (see below), whose sum is σ = 322328670879744. Its totient is φ = 214508718331200.

The previous prime is 268371559645703. The next prime is 268371559645723. The reversal of 268371559645705 is 507546955173862.

It is not a de Polignac number, because 268371559645705 - 2¹ = 268371559645703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268371559645703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115273512 + ... + 1115514118.

It is an arithmetic number, because the mean of its divisors is an integer number (20145541929984).

It is a 1-persistent number, because it is pandigital, but 2⋅268371559645705 = 536743119291410 is not.

Almost surely, 2^{268371559645705} is an apocalyptic number.

It is an amenable number.

268371559645705 is a deficient number, since it is larger than the sum of its proper divisors (53957111234039).

268371559645705 is a wasteful number, since it uses less digits than its factorization.

268371559645705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435576.

The product of its (nonzero) digits is 1905120000, while the sum is 73.

The spelling of 268371559645705 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 five".