243250404005 has 16 divisors (see below), whose sum is σ = 334238438784. Its totient is φ = 166481334720.

The previous prime is 243250403951. The next prime is 243250404079. The reversal of 243250404005 is 500404052342.

243250404005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243250404005 - 2¹⁶ = 243250338469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6626066 + ... + 6662675.

It is an arithmetic number, because the mean of its divisors is an integer number (20889902424).

Almost surely, 2^243250404005 is an apocalyptic number.

It is an amenable number.

243250404005 is a deficient number, since it is larger than the sum of its proper divisors (90988034779).

243250404005 is a wasteful number, since it uses less digits than its factorization.

243250404005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289276.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 243250404005 its reverse (500404052342), we get a palindrome (743654456347).

The spelling of 243250404005 in words is "two hundred forty-three billion, two hundred fifty million, four hundred four thousand, five".