68148043401 has 4 divisors (see below), whose sum is σ = 90864057872. Its totient is φ = 45432028932.

The previous prime is 68148043373. The next prime is 68148043427. The reversal of 68148043401 is 10434084186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 68148043401 - 2¹³ = 68148035209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68148043401.

It is not an unprimeable number, because it can be changed into a prime (68148043471) 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, 11358007231 + ... + 11358007236.

It is an arithmetic number, because the mean of its divisors is an integer number (22716014468).

Almost surely, 2^68148043401 is an apocalyptic number.

It is an amenable number.

68148043401 is a deficient number, since it is larger than the sum of its proper divisors (22716014471).

68148043401 is a wasteful number, since it uses less digits than its factorization.

68148043401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22716014470.

The product of its (nonzero) digits is 73728, while the sum is 39.

The spelling of 68148043401 in words is "sixty-eight billion, one hundred forty-eight million, forty-three thousand, four hundred one".