243407928422401 has 8 divisors (see below), whose sum is σ = 257318523839520. Its totient is φ = 229607298186912.

The previous prime is 243407928422381. The next prime is 243407928422429. The reversal of 243407928422401 is 104224829704342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243407928422401 - 2⁴¹ = 241208905166849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243407928422441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27491290855 + ... + 27491299708.

It is an arithmetic number, because the mean of its divisors is an integer number (32164815479940).

Almost surely, 2^{243407928422401} is an apocalyptic number.

It is an amenable number.

243407928422401 is a deficient number, since it is larger than the sum of its proper divisors (13910595417119).

243407928422401 is a wasteful number, since it uses less digits than its factorization.

243407928422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54982590815.

The product of its (nonzero) digits is 6193152, while the sum is 52.

The spelling of 243407928422401 in words is "two hundred forty-three trillion, four hundred seven billion, nine hundred twenty-eight million, four hundred twenty-two thousand, four hundred one".