68999488169 has 8 divisors (see below), whose sum is σ = 70111487040. Its totient is φ = 67889905776.

The previous prime is 68999488141. The next prime is 68999488189. The reversal of 68999488169 is 96188499986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68999488169 - 2⁸ = 68999487913 is a prime.

It is a super-2 number, since 2×68999488169² (a number of 22 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 68999488169.

It is not an unprimeable number, because it can be changed into a prime (68999488189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546509 + ... + 660810.

It is an arithmetic number, because the mean of its divisors is an integer number (8763935880).

Almost surely, 2^68999488169 is an apocalyptic number.

It is an amenable number.

68999488169 is a deficient number, since it is larger than the sum of its proper divisors (1111998871).

68999488169 is a wasteful number, since it uses less digits than its factorization.

68999488169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208239.

The product of its digits is 483729408, while the sum is 77.

The spelling of 68999488169 in words is "sixty-eight billion, nine hundred ninety-nine million, four hundred eighty-eight thousand, one hundred sixty-nine".