268867661293 has 8 divisors (see below), whose sum is σ = 335211629760. Its totient is φ = 209507268480.

The previous prime is 268867661269. The next prime is 268867661303. The reversal of 268867661293 is 392166768862.

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

It is a cyclic number.

It is not a de Polignac number, because 268867661293 - 2¹³ = 268867653101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268867661093) 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, 1745893828 + ... + 1745893981.

It is an arithmetic number, because the mean of its divisors is an integer number (41901453720).

Almost surely, 2^268867661293 is an apocalyptic number.

It is an amenable number.

268867661293 is a deficient number, since it is larger than the sum of its proper divisors (66343968467).

268867661293 is a wasteful number, since it uses less digits than its factorization.

268867661293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491787827.

The product of its digits is 62705664, while the sum is 64.

The spelling of 268867661293 in words is "two hundred sixty-eight billion, eight hundred sixty-seven million, six hundred sixty-one thousand, two hundred ninety-three".