268853823506571 has 8 divisors (see below), whose sum is σ = 359062327716864. Its totient is φ = 178940600817000.

The previous prime is 268853823506557. The next prime is 268853823506617. The reversal of 268853823506571 is 175605328358862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 268853823506571 - 2⁴⁷ = 128116335151243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268853823506496 and 268853823506505.

It is not an unprimeable number, because it can be changed into a prime (268853823506171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73820378055 + ... + 73820381696.

It is an arithmetic number, because the mean of its divisors is an integer number (44882790964608).

Almost surely, 2^{268853823506571} is an apocalyptic number.

268853823506571 is a deficient number, since it is larger than the sum of its proper divisors (90208504210293).

268853823506571 is a wasteful number, since it uses less digits than its factorization.

268853823506571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147640760361.

The product of its (nonzero) digits is 580608000, while the sum is 69.

The spelling of 268853823506571 in words is "two hundred sixty-eight trillion, eight hundred fifty-three billion, eight hundred twenty-three million, five hundred six thousand, five hundred seventy-one".