68398150441 has 4 divisors (see below), whose sum is σ = 68402041812. Its totient is φ = 68394259072.

The previous prime is 68398150427. The next prime is 68398150451. The reversal of 68398150441 is 14405189386.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43779285225 + 24618865216 = 209235^2 + 156904^2 .

It is a cyclic number.

It is not a de Polignac number, because 68398150441 - 2⁹ = 68398149929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68398150451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919200 + ... + 1954513.

It is an arithmetic number, because the mean of its divisors is an integer number (17100510453).

Almost surely, 2^68398150441 is an apocalyptic number.

It is an amenable number.

68398150441 is a deficient number, since it is larger than the sum of its proper divisors (3891371).

68398150441 is a wasteful number, since it uses less digits than its factorization.

68398150441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891370.

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 68398150441 in words is "sixty-eight billion, three hundred ninety-eight million, one hundred fifty thousand, four hundred forty-one".