68456673031 has 2 divisors, whose sum is σ = 68456673032. Its totient is φ = 68456673030.

The previous prime is 68456672971. The next prime is 68456673071. The reversal of 68456673031 is 13037665486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68456673031 - 2²³ = 68448284423 is a prime.

It is a super-3 number, since 3×68456673031³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68456673071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34228336515 + 34228336516.

It is an arithmetic number, because the mean of its divisors is an integer number (34228336516).

Almost surely, 2^68456673031 is an apocalyptic number.

68456673031 is a deficient number, since it is larger than the sum of its proper divisors (1).

68456673031 is an equidigital number, since it uses as much as digits as its factorization.

68456673031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 68456673031 in words is "sixty-eight billion, four hundred fifty-six million, six hundred seventy-three thousand, thirty-one".