243130210399 has 8 divisors (see below), whose sum is σ = 256072129920. Its totient is φ = 230385877656.

The previous prime is 243130210391. The next prime is 243130210417. The reversal of 243130210399 is 993012031342.

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 243130210399 - 2³ = 243130210391 is a prime.

It is a super-2 number, since 2×243130210399² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130210391) 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, 49394169 + ... + 49399090.

It is an arithmetic number, because the mean of its divisors is an integer number (32009016240).

Almost surely, 2^243130210399 is an apocalyptic number.

243130210399 is a deficient number, since it is larger than the sum of its proper divisors (12941919521).

243130210399 is a wasteful number, since it uses less digits than its factorization.

243130210399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98793389.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 243130210399 in words is "two hundred forty-three billion, one hundred thirty million, two hundred ten thousand, three hundred ninety-nine".