68458132573 has 2 divisors, whose sum is σ = 68458132574. Its totient is φ = 68458132572.

The previous prime is 68458132559. The next prime is 68458132651. The reversal of 68458132573 is 37523185486.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372723844 + 20085408729 = 219938^2 + 141723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68458132573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68458132573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68458132553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34229066286 + 34229066287.

It is an arithmetic number, because the mean of its divisors is an integer number (34229066287).

Almost surely, 2^68458132573 is an apocalyptic number.

It is an amenable number.

68458132573 is a deficient number, since it is larger than the sum of its proper divisors (1).

68458132573 is an equidigital number, since it uses as much as digits as its factorization.

68458132573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 68458132573 in words is "sixty-eight billion, four hundred fifty-eight million, one hundred thirty-two thousand, five hundred seventy-three".