268819363955 has 8 divisors (see below), whose sum is σ = 331301702832. Its totient is φ = 209243180448.

The previous prime is 268819363933. The next prime is 268819363957. The reversal of 268819363955 is 559363918862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268819363955 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268819363891 and 268819363900.

It is not an unprimeable number, because it can be changed into a prime (268819363957) 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 in 7 ways as a sum of consecutive naturals, for example, 726538637 + ... + 726539006.

It is an arithmetic number, because the mean of its divisors is an integer number (41412712854).

Almost surely, 2^268819363955 is an apocalyptic number.

268819363955 is a deficient number, since it is larger than the sum of its proper divisors (62482338877).

268819363955 is a wasteful number, since it uses less digits than its factorization.

268819363955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453077685.

The product of its digits is 83980800, while the sum is 65.

The spelling of 268819363955 in words is "two hundred sixty-eight billion, eight hundred nineteen million, three hundred sixty-three thousand, nine hundred fifty-five".