68982315901 has 2 divisors, whose sum is σ = 68982315902. Its totient is φ = 68982315900.

The previous prime is 68982315881. The next prime is 68982315917. The reversal of 68982315901 is 10951328986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65255213401 + 3727102500 = 255451^2 + 61050^2 .

It is a cyclic number.

It is not a de Polignac number, because 68982315901 - 2¹¹ = 68982313853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68982315931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34491157950 + 34491157951.

It is an arithmetic number, because the mean of its divisors is an integer number (34491157951).

Almost surely, 2^68982315901 is an apocalyptic number.

It is an amenable number.

68982315901 is a deficient number, since it is larger than the sum of its proper divisors (1).

68982315901 is an equidigital number, since it uses as much as digits as its factorization.

68982315901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 68982315901 in words is "sixty-eight billion, nine hundred eighty-two million, three hundred fifteen thousand, nine hundred one".