68434960093 has 2 divisors, whose sum is σ = 68434960094. Its totient is φ = 68434960092.

The previous prime is 68434960091. The next prime is 68434960109. The reversal of 68434960093 is 39006943486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55603054809 + 12831905284 = 235803^2 + 113278^2 .

It is a cyclic number.

It is not a de Polignac number, because 68434960093 - 2¹ = 68434960091 is a prime.

It is a super-3 number, since 3×68434960093³ (a number of 33 digits) contains 333 as substring.

Together with 68434960091, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 68434960093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68434960091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34217480046 + 34217480047.

It is an arithmetic number, because the mean of its divisors is an integer number (34217480047).

Almost surely, 2^68434960093 is an apocalyptic number.

It is an amenable number.

68434960093 is a deficient number, since it is larger than the sum of its proper divisors (1).

68434960093 is an equidigital number, since it uses as much as digits as its factorization.

68434960093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 52.

The spelling of 68434960093 in words is "sixty-eight billion, four hundred thirty-four million, nine hundred sixty thousand, ninety-three".