2730450239 has 8 divisors (see below), whose sum is σ = 2985196368. Its totient is φ = 2476791360.

The previous prime is 2730450199. The next prime is 2730450251. The reversal of 2730450239 is 9320540372.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2730450239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2730450199 and 2730450208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730450139) 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, 266552 + ... + 276605.

It is an arithmetic number, because the mean of its divisors is an integer number (373149546).

Almost surely, 2^2730450239 is an apocalyptic number.

2730450239 is a deficient number, since it is larger than the sum of its proper divisors (254746129).

2730450239 is a wasteful number, since it uses less digits than its factorization.

2730450239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543625.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2730450239 is about 52253.7102893182. The cubic root of 2730450239 is about 1397.6918154576.

The spelling of 2730450239 in words is "two billion, seven hundred thirty million, four hundred fifty thousand, two hundred thirty-nine".