30805954898 has 16 divisors (see below), whose sum is σ = 49312364544. Its totient is φ = 14382768960.

The previous prime is 30805954897. The next prime is 30805954901. The reversal of 30805954898 is 89845950803.

It is a super-2 number, since 2×30805954898² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30805954897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3562838 + ... + 3571473.

It is an arithmetic number, because the mean of its divisors is an integer number (3082022784).

Almost surely, 2^30805954898 is an apocalyptic number.

30805954898 is a deficient number, since it is larger than the sum of its proper divisors (18506409646).

30805954898 is a wasteful number, since it uses less digits than its factorization.

30805954898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134457.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 30805954898 in words is "thirty billion, eight hundred five million, nine hundred fifty-four thousand, eight hundred ninety-eight".