68298309785050 has 24 divisors (see below), whose sum is σ = 127962117937116. Its totient is φ = 27119912787840.

The previous prime is 68298309785003. The next prime is 68298309785053. The reversal of 68298309785050 is 5058790389286.

It can be written as a sum of positive squares in 6 ways, for example, as 12796510082841 + 55501799702209 = 3577221^2 + 7449953^2 .

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68298309785053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4985271237 + ... + 4985284936.

Almost surely, 2^{68298309785050} is an apocalyptic number.

68298309785050 is a deficient number, since it is larger than the sum of its proper divisors (59663808152066).

68298309785050 is a wasteful number, since it uses less digits than its factorization.

68298309785050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9970556322 (or 9970556317 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 68298309785050 in words is "sixty-eight trillion, two hundred ninety-eight billion, three hundred nine million, seven hundred eighty-five thousand, fifty".