68475499408324 has 6 divisors (see below), whose sum is σ = 119832123964574. Its totient is φ = 34237749704160.

The previous prime is 68475499408321. The next prime is 68475499408391. The reversal of 68475499408324 is 42380499457486.

It can be written as a sum of positive squares in only one way, i.e., 37122577408900 + 31352921999424 = 6092830^2 + 5599368^2 .

It is not an unprimeable number, because it can be changed into a prime (68475499408321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8559437426037 + ... + 8559437426044.

Almost surely, 2^{68475499408324} is an apocalyptic number.

It is an amenable number.

68475499408324 is a deficient number, since it is larger than the sum of its proper divisors (51356624556250).

68475499408324 is a wasteful number, since it uses less digits than its factorization.

68475499408324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17118874852085 (or 17118874852083 counting only the distinct ones).

The product of its (nonzero) digits is 1672151040, while the sum is 73.

The spelling of 68475499408324 in words is "sixty-eight trillion, four hundred seventy-five billion, four hundred ninety-nine million, four hundred eight thousand, three hundred twenty-four".