68552981300919 has 4 divisors (see below), whose sum is σ = 91403975067896. Its totient is φ = 45701987533944.

The previous prime is 68552981300861. The next prime is 68552981300963. The reversal of 68552981300919 is 91900318925586.

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

It is not a de Polignac number, because 68552981300919 - 2²⁷ = 68552847083191 is a prime.

It is a super-2 number, since 2×68552981300919² (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 68552981300919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68552981300819) 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, 11425496883484 + ... + 11425496883489.

It is an arithmetic number, because the mean of its divisors is an integer number (22850993766974).

Almost surely, 2^{68552981300919} is an apocalyptic number.

68552981300919 is a deficient number, since it is larger than the sum of its proper divisors (22850993766977).

68552981300919 is a wasteful number, since it uses less digits than its factorization.

68552981300919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22850993766976.

The product of its (nonzero) digits is 41990400, while the sum is 66.

The spelling of 68552981300919 in words is "sixty-eight trillion, five hundred fifty-two billion, nine hundred eighty-one million, three hundred thousand, nine hundred nineteen".