68051787323041 has 4 divisors (see below), whose sum is σ = 69634387028272. Its totient is φ = 66469187617812.

The previous prime is 68051787323017. The next prime is 68051787323081. The reversal of 68051787323041 is 14032378715086.

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 68051787323041 - 2⁷ = 68051787322913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68051787323081) 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, 791299852551 + ... + 791299852636.

It is an arithmetic number, because the mean of its divisors is an integer number (17408596757068).

Almost surely, 2^{68051787323041} is an apocalyptic number.

It is an amenable number.

68051787323041 is a deficient number, since it is larger than the sum of its proper divisors (1582599705231).

68051787323041 is a wasteful number, since it uses less digits than its factorization.

68051787323041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1582599705230.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 68051787323041 in words is "sixty-eight trillion, fifty-one billion, seven hundred eighty-seven million, three hundred twenty-three thousand, forty-one".