243580070001 has 4 divisors (see below), whose sum is σ = 324773426672. Its totient is φ = 162386713332.

The previous prime is 243580069897. The next prime is 243580070009. The reversal of 243580070001 is 100070085342.

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 243580070001 - 2¹¹ = 243580067953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243580070009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40596678331 + ... + 40596678336.

It is an arithmetic number, because the mean of its divisors is an integer number (81193356668).

Almost surely, 2^243580070001 is an apocalyptic number.

It is an amenable number.

243580070001 is a deficient number, since it is larger than the sum of its proper divisors (81193356671).

243580070001 is an equidigital number, since it uses as much as digits as its factorization.

243580070001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81193356670.

The product of its (nonzero) digits is 6720, while the sum is 30.

The spelling of 243580070001 in words is "two hundred forty-three billion, five hundred eighty million, seventy thousand, one".