68461735151 has 2 divisors, whose sum is σ = 68461735152. Its totient is φ = 68461735150.

The previous prime is 68461735109. The next prime is 68461735183. The reversal of 68461735151 is 15153716486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68461735151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68461735096 and 68461735105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68461735751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34230867575 + 34230867576.

It is an arithmetic number, because the mean of its divisors is an integer number (34230867576).

Almost surely, 2^68461735151 is an apocalyptic number.

68461735151 is a deficient number, since it is larger than the sum of its proper divisors (1).

68461735151 is an equidigital number, since it uses as much as digits as its factorization.

68461735151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 47.

The spelling of 68461735151 in words is "sixty-eight billion, four hundred sixty-one million, seven hundred thirty-five thousand, one hundred fifty-one".