68824131751 has 2 divisors, whose sum is σ = 68824131752. Its totient is φ = 68824131750.

The previous prime is 68824131703. The next prime is 68824131757. The reversal of 68824131751 is 15713142886.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68824131751 - 2¹⁵ = 68824098983 is a prime.

It is a super-2 number, since 2×68824131751² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68824131757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34412065875 + 34412065876.

It is an arithmetic number, because the mean of its divisors is an integer number (34412065876).

Almost surely, 2^68824131751 is an apocalyptic number.

68824131751 is a deficient number, since it is larger than the sum of its proper divisors (1).

68824131751 is an equidigital number, since it uses as much as digits as its factorization.

68824131751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 46.

The spelling of 68824131751 in words is "sixty-eight billion, eight hundred twenty-four million, one hundred thirty-one thousand, seven hundred fifty-one".