68750249266 has 8 divisors (see below), whose sum is σ = 103146814764. Its totient is φ = 34367977680.

The previous prime is 68750249261. The next prime is 68750249297. The reversal of 68750249266 is 66294205786.

It can be written as a sum of positive squares in 2 ways, for example, as 60431897241 + 8318352025 = 245829^2 + 91205^2 .

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

It is not an unprimeable number, because it can be changed into a prime (68750249261) 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, 3561445 + ... + 3580696.

Almost surely, 2^68750249266 is an apocalyptic number.

68750249266 is a deficient number, since it is larger than the sum of its proper divisors (34396565498).

68750249266 is a wasteful number, since it uses less digits than its factorization.

68750249266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7146956.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 68750249266 in words is "sixty-eight billion, seven hundred fifty million, two hundred forty-nine thousand, two hundred sixty-six".