68911598292601 has 3 divisors (see below), whose sum is σ = 68911606593903. Its totient is φ = 68911589991300.

The previous prime is 68911598292587. The next prime is 68911598292611. The reversal of 68911598292601 is 10629289511986.

The square root of 68911598292601 is 8301301.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 7272455169001 + 61639143123600 = 2696749^2 + 7851060^2 .

It is not a de Polignac number, because 68911598292601 - 2¹¹ = 68911598290553 is a prime.

It is a super-3 number, since 3×68911598292601³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68911598292611) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4150651 + ... + 12451951.

It is an arithmetic number, because the mean of its divisors is an integer number (22970535531301).

Almost surely, 2^{68911598292601} is an apocalyptic number.

68911598292601 is the 8301301-st square number.

68911598292601 is the 4150651-st centered octagonal number.

It is an amenable number.

68911598292601 is a deficient number, since it is larger than the sum of its proper divisors (8301302).

68911598292601 is an frugal number, since it uses more digits than its factorization.

68911598292601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16602602 (or 8301301 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 67.

The spelling of 68911598292601 in words is "sixty-eight trillion, nine hundred eleven billion, five hundred ninety-eight million, two hundred ninety-two thousand, six hundred one".