30105939933959 has 4 divisors (see below), whose sum is σ = 30105961395360. Its totient is φ = 30105918472560.

The previous prime is 30105939933947. The next prime is 30105939933967. The reversal of 30105939933959 is 95933993950103.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30105939933959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30105939953959) 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, 8467382 + ... + 11485139.

It is an arithmetic number, because the mean of its divisors is an integer number (7526490348840).

Almost surely, 2^{30105939933959} is an apocalyptic number.

30105939933959 is a deficient number, since it is larger than the sum of its proper divisors (21461401).

30105939933959 is a wasteful number, since it uses less digits than its factorization.

30105939933959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21461400.

The product of its (nonzero) digits is 119574225, while the sum is 68.

The spelling of 30105939933959 in words is "thirty trillion, one hundred five billion, nine hundred thirty-nine million, nine hundred thirty-three thousand, nine hundred fifty-nine".