243366410625 has 80 divisors (see below), whose sum is σ = 450759310848. Its totient is φ = 115945920000.

The previous prime is 243366410593. The next prime is 243366410653. The reversal of 243366410625 is 526014663342.

It is a happy number.

It is not a de Polignac number, because 243366410625 - 2⁵ = 243366410593 is a prime.

It is a super-2 number, since 2×243366410625² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 594589 + ... + 916661.

Almost surely, 2^243366410625 is an apocalyptic number.

243366410625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

243366410625 is a deficient number, since it is larger than the sum of its proper divisors (207392900223).

243366410625 is a wasteful number, since it uses less digits than its factorization.

243366410625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322140 (or 322125 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 243366410625 in words is "two hundred forty-three billion, three hundred sixty-six million, four hundred ten thousand, six hundred twenty-five".