30858396911 has 2 divisors, whose sum is σ = 30858396912. Its totient is φ = 30858396910.

The previous prime is 30858396893. The next prime is 30858396949. The reversal of 30858396911 is 11969385803.

It is a weak prime.

It is an emirp because it is prime and its reverse (11969385803) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30858396911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30858396971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15429198455 + 15429198456.

It is an arithmetic number, because the mean of its divisors is an integer number (15429198456).

Almost surely, 2^30858396911 is an apocalyptic number.

30858396911 is a deficient number, since it is larger than the sum of its proper divisors (1).

30858396911 is an equidigital number, since it uses as much as digits as its factorization.

30858396911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 53.

The spelling of 30858396911 in words is "thirty billion, eight hundred fifty-eight million, three hundred ninety-six thousand, nine hundred eleven".