268360415263 has 4 divisors (see below), whose sum is σ = 269859635640. Its totient is φ = 266861194888.

The previous prime is 268360415249. The next prime is 268360415273. The reversal of 268360415263 is 362514063862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268360415263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268360415273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749609920 + ... + 749610277.

It is an arithmetic number, because the mean of its divisors is an integer number (67464908910).

Almost surely, 2^268360415263 is an apocalyptic number.

268360415263 is a deficient number, since it is larger than the sum of its proper divisors (1499220377).

268360415263 is a wasteful number, since it uses less digits than its factorization.

268360415263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499220376.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 268360415263 in words is "two hundred sixty-eight billion, three hundred sixty million, four hundred fifteen thousand, two hundred sixty-three".