68436088813 has 8 divisors (see below), whose sum is σ = 68858475840. Its totient is φ = 68013852000.

The previous prime is 68436088759. The next prime is 68436088843. The reversal of 68436088813 is 31888063486.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68436088813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68436088843) 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, 957313 + ... + 1026313.

It is an arithmetic number, because the mean of its divisors is an integer number (8607309480).

Almost surely, 2^68436088813 is an apocalyptic number.

It is an amenable number.

68436088813 is a deficient number, since it is larger than the sum of its proper divisors (422387027).

68436088813 is a wasteful number, since it uses less digits than its factorization.

68436088813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75107.

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 68436088813 in words is "sixty-eight billion, four hundred thirty-six million, eighty-eight thousand, eight hundred thirteen".