268541716946 has 4 divisors (see below), whose sum is σ = 402812575422. Its totient is φ = 134270858472.

The previous prime is 268541716939. The next prime is 268541716967. The reversal of 268541716946 is 649617145862.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 243952027225 + 24589689721 = 493915^2 + 156811^2 .

It is a super-2 number, since 2×268541716946² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67135429235 + ... + 67135429238.

Almost surely, 2^268541716946 is an apocalyptic number.

268541716946 is a deficient number, since it is larger than the sum of its proper divisors (134270858476).

268541716946 is a wasteful number, since it uses less digits than its factorization.

268541716946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134270858475.

The product of its digits is 17418240, while the sum is 59.

The spelling of 268541716946 in words is "two hundred sixty-eight billion, five hundred forty-one million, seven hundred sixteen thousand, nine hundred forty-six".