243425353205 has 16 divisors (see below), whose sum is σ = 307563626880. Its totient is φ = 184443412032.

The previous prime is 243425353177. The next prime is 243425353267. The reversal of 243425353205 is 502353524342.

It is a cyclic number.

It is not a de Polignac number, because 243425353205 - 2¹⁶ = 243425287669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45032 + ... + 699198.

It is an arithmetic number, because the mean of its divisors is an integer number (19222726680).

Almost surely, 2^243425353205 is an apocalyptic number.

It is an amenable number.

243425353205 is a deficient number, since it is larger than the sum of its proper divisors (64138273675).

243425353205 is a wasteful number, since it uses less digits than its factorization.

243425353205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658108.

The product of its (nonzero) digits is 432000, while the sum is 38.

Adding to 243425353205 its reverse (502353524342), we get a palindrome (745778877547).

The spelling of 243425353205 in words is "two hundred forty-three billion, four hundred twenty-five million, three hundred fifty-three thousand, two hundred five".