30858396905 has 8 divisors (see below), whose sum is σ = 42320087232. Its totient is φ = 21160043568.

The previous prime is 30858396893. The next prime is 30858396911. The reversal of 30858396905 is 50969385803.

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 30858396905 - 2³⁴ = 13678527721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440834207 + ... + 440834276.

It is an arithmetic number, because the mean of its divisors is an integer number (5290010904).

Almost surely, 2^30858396905 is an apocalyptic number.

30858396905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30858396905 is a deficient number, since it is larger than the sum of its proper divisors (11461690327).

30858396905 is an equidigital number, since it uses as much as digits as its factorization.

30858396905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881668495.

The product of its (nonzero) digits is 6998400, while the sum is 56.

The spelling of 30858396905 in words is "thirty billion, eight hundred fifty-eight million, three hundred ninety-six thousand, nine hundred five".