30234853939 has 4 divisors (see below), whose sum is σ = 31210171840. Its totient is φ = 29259536040.

The previous prime is 30234853933. The next prime is 30234853963. The reversal of 30234853939 is 93935843203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30234853939 - 2³ = 30234853931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30234853892 and 30234853901.

It is not an unprimeable number, because it can be changed into a prime (30234853931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487658904 + ... + 487658965.

It is an arithmetic number, because the mean of its divisors is an integer number (7802542960).

Almost surely, 2^30234853939 is an apocalyptic number.

30234853939 is a deficient number, since it is larger than the sum of its proper divisors (975317901).

30234853939 is an equidigital number, since it uses as much as digits as its factorization.

30234853939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975317900.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The spelling of 30234853939 in words is "thirty billion, two hundred thirty-four million, eight hundred fifty-three thousand, nine hundred thirty-nine".