68041503377 has 2 divisors, whose sum is σ = 68041503378. Its totient is φ = 68041503376.

The previous prime is 68041503371. The next prime is 68041503559. The reversal of 68041503377 is 77330514086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51093629521 + 16947873856 = 226039^2 + 130184^2 .

It is a cyclic number.

It is not a de Polignac number, because 68041503377 - 2⁸ = 68041503121 is a prime.

It is not a weakly prime, because it can be changed into another prime (68041503371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34020751688 + 34020751689.

It is an arithmetic number, because the mean of its divisors is an integer number (34020751689).

Almost surely, 2^68041503377 is an apocalyptic number.

It is an amenable number.

68041503377 is a deficient number, since it is larger than the sum of its proper divisors (1).

68041503377 is an equidigital number, since it uses as much as digits as its factorization.

68041503377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 68041503377 in words is "sixty-eight billion, forty-one million, five hundred three thousand, three hundred seventy-seven".