68496241757 has 2 divisors, whose sum is σ = 68496241758. Its totient is φ = 68496241756.

The previous prime is 68496241661. The next prime is 68496241799. The reversal of 68496241757 is 75714269486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42605500921 + 25890740836 = 206411^2 + 160906^2 .

It is a cyclic number.

It is not a de Polignac number, because 68496241757 - 2¹² = 68496237661 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68496241696 and 68496241705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68496241657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34248120878 + 34248120879.

It is an arithmetic number, because the mean of its divisors is an integer number (34248120879).

Almost surely, 2^68496241757 is an apocalyptic number.

It is an amenable number.

68496241757 is a deficient number, since it is larger than the sum of its proper divisors (1).

68496241757 is an equidigital number, since it uses as much as digits as its factorization.

68496241757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 59.

The spelling of 68496241757 in words is "sixty-eight billion, four hundred ninety-six million, two hundred forty-one thousand, seven hundred fifty-seven".