68707126369 has 4 divisors (see below), whose sum is σ = 78522430144. Its totient is φ = 58891822596.

The previous prime is 68707126363. The next prime is 68707126399. The reversal of 68707126369 is 96362170786.

It is a happy number.

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 68707126369 - 2³⁵ = 34347388001 is a prime.

It is a super-2 number, since 2×68707126369² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68707126363) 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, 4907651877 + ... + 4907651890.

It is an arithmetic number, because the mean of its divisors is an integer number (19630607536).

Almost surely, 2^68707126369 is an apocalyptic number.

It is an amenable number.

68707126369 is a deficient number, since it is larger than the sum of its proper divisors (9815303775).

68707126369 is an equidigital number, since it uses as much as digits as its factorization.

68707126369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9815303774.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 68707126369 in words is "sixty-eight billion, seven hundred seven million, one hundred twenty-six thousand, three hundred sixty-nine".