68085032837291 has 4 divisors (see below), whose sum is σ = 68085135782352. Its totient is φ = 68084929892232.

The previous prime is 68085032837209. The next prime is 68085032837323. The reversal of 68085032837291 is 19273823058086.

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

It is a cyclic number.

It is not a de Polignac number, because 68085032837291 - 2³⁴ = 68067852968107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68085032833291) 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, 50474015 + ... + 51805368.

It is an arithmetic number, because the mean of its divisors is an integer number (17021283945588).

Almost surely, 2^{68085032837291} is an apocalyptic number.

68085032837291 is a deficient number, since it is larger than the sum of its proper divisors (102945061).

68085032837291 is a wasteful number, since it uses less digits than its factorization.

68085032837291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102945060.

The product of its (nonzero) digits is 34836480, while the sum is 62.

The spelling of 68085032837291 in words is "sixty-eight trillion, eighty-five billion, thirty-two million, eight hundred thirty-seven thousand, two hundred ninety-one".