30353402989 has 32 divisors (see below), whose sum is σ = 38073297920. Its totient is φ = 23559973632.

The previous prime is 30353402977. The next prime is 30353403011. The reversal of 30353402989 is 98920435303.

It is not a de Polignac number, because 30353402989 - 2⁹ = 30353402477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30353402929) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115227 + ... + 1142119.

It is an arithmetic number, because the mean of its divisors is an integer number (1189790560).

Almost surely, 2^30353402989 is an apocalyptic number.

It is an amenable number.

30353402989 is a deficient number, since it is larger than the sum of its proper divisors (7719894931).

30353402989 is a wasteful number, since it uses less digits than its factorization.

30353402989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27149.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 30353402989 in words is "thirty billion, three hundred fifty-three million, four hundred two thousand, nine hundred eighty-nine".