30849154239 has 8 divisors (see below), whose sum is σ = 41829361920. Its totient is φ = 20217524696.

The previous prime is 30849154223. The next prime is 30849154267. The reversal of 30849154239 is 93245194803.

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 30849154239 - 2⁴ = 30849154223 is a prime.

It is a super-2 number, since 2×30849154239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30849154439) 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, 87144327 + ... + 87144680.

It is an arithmetic number, because the mean of its divisors is an integer number (5228670240).

Almost surely, 2^30849154239 is an apocalyptic number.

30849154239 is a deficient number, since it is larger than the sum of its proper divisors (10980207681).

30849154239 is a wasteful number, since it uses less digits than its factorization.

30849154239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174289069.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 30849154239 in words is "thirty billion, eight hundred forty-nine million, one hundred fifty-four thousand, two hundred thirty-nine".