30858396961 has 16 divisors (see below), whose sum is σ = 35806021888. Its totient is φ = 26048433600.

The previous prime is 30858396953. The next prime is 30858396971. The reversal of 30858396961 is 16969385803.

It is not a de Polignac number, because 30858396961 - 2³ = 30858396953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30858396896 and 30858396905.

It is not an unprimeable number, because it can be changed into a prime (30858396911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12271 + ... + 248731.

It is an arithmetic number, because the mean of its divisors is an integer number (2237876368).

Almost surely, 2^30858396961 is an apocalyptic number.

It is an amenable number.

30858396961 is a deficient number, since it is larger than the sum of its proper divisors (4947624927).

30858396961 is a wasteful number, since it uses less digits than its factorization.

30858396961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236752.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 30858396961 in words is "thirty billion, eight hundred fifty-eight million, three hundred ninety-six thousand, nine hundred sixty-one".