30945458689 has 8 divisors (see below), whose sum is σ = 31373055392. Its totient is φ = 30517961760.

The previous prime is 30945458681. The next prime is 30945458729. The reversal of 30945458689 is 98685454903.

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 30945458689 - 2³ = 30945458681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30945458681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775582 + ... + 814504.

It is an arithmetic number, because the mean of its divisors is an integer number (3921631924).

Almost surely, 2^30945458689 is an apocalyptic number.

It is an amenable number.

30945458689 is a deficient number, since it is larger than the sum of its proper divisors (427596703).

30945458689 is a wasteful number, since it uses less digits than its factorization.

30945458689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49887.

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 30945458689 in words is "thirty billion, nine hundred forty-five million, four hundred fifty-eight thousand, six hundred eighty-nine".