243039003140649 has 8 divisors (see below), whose sum is σ = 325842346752832. Its totient is φ = 161130830811120.

The previous prime is 243039003140627. The next prime is 243039003140651. The reversal of 243039003140649 is 946041300930342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243039003140649 - 2¹⁵ = 243039003107881 is a prime.

It is a super-2 number, since 2×243039003140649² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243039003140598 and 243039003140607.

It is not an unprimeable number, because it can be changed into a prime (243039003140699) 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, 223792820029 + ... + 223792821114.

It is an arithmetic number, because the mean of its divisors is an integer number (40730293344104).

Almost surely, 2^{243039003140649} is an apocalyptic number.

It is an amenable number.

243039003140649 is a deficient number, since it is larger than the sum of its proper divisors (82803343612183).

243039003140649 is a wasteful number, since it uses less digits than its factorization.

243039003140649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447585641327.

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 243039003140649 in words is "two hundred forty-three trillion, thirty-nine billion, three million, one hundred forty thousand, six hundred forty-nine".