68892098121601 has 4 divisors (see below), whose sum is σ = 69113616122304. Its totient is φ = 68670580120900.

The previous prime is 68892098121569. The next prime is 68892098121619. The reversal of 68892098121601 is 10612189029886.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68892098121601 - 2⁵ = 68892098121569 is a prime.

It is a super-2 number, since 2×68892098121601² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68892098121601.

It is not an unprimeable number, because it can be changed into a prime (68892090121601) 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, 110758999885 + ... + 110759000506.

It is an arithmetic number, because the mean of its divisors is an integer number (17278404030576).

Almost surely, 2^{68892098121601} is an apocalyptic number.

It is an amenable number.

68892098121601 is a deficient number, since it is larger than the sum of its proper divisors (221518000703).

68892098121601 is a wasteful number, since it uses less digits than its factorization.

68892098121601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221518000702.

The product of its (nonzero) digits is 5971968, while the sum is 61.

The spelling of 68892098121601 in words is "sixty-eight trillion, eight hundred ninety-two billion, ninety-eight million, one hundred twenty-one thousand, six hundred one".