68972329498801 has 4 divisors (see below), whose sum is σ = 68972992740900. Its totient is φ = 68971666256704.

The previous prime is 68972329498759. The next prime is 68972329498829. The reversal of 68972329498801 is 10889492327986.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12474918040225 + 56497411458576 = 3531985^2 + 7516476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68972329498801 is a prime.

It is a super-3 number, since 3×68972329498801³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68972329498001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331465036 + ... + 331673053.

It is an arithmetic number, because the mean of its divisors is an integer number (17243248185225).

Almost surely, 2^{68972329498801} is an apocalyptic number.

It is an amenable number.

68972329498801 is a deficient number, since it is larger than the sum of its proper divisors (663242099).

68972329498801 is a wasteful number, since it uses less digits than its factorization.

68972329498801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663242098.

The product of its (nonzero) digits is 752467968, while the sum is 76.

The spelling of 68972329498801 in words is "sixty-eight trillion, nine hundred seventy-two billion, three hundred twenty-nine million, four hundred ninety-eight thousand, eight hundred one".