30496908891 has 8 divisors (see below), whose sum is σ = 40664196880. Its totient is φ = 20330446752.

The previous prime is 30496908853. The next prime is 30496908901. The reversal of 30496908891 is 19880969403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30496908891 - 2¹⁹ = 30496384603 is a prime.

It is a super-2 number, since 2×30496908891² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30496904891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114436 + ... + 272193.

It is an arithmetic number, because the mean of its divisors is an integer number (5083024610).

Almost surely, 2^30496908891 is an apocalyptic number.

30496908891 is a deficient number, since it is larger than the sum of its proper divisors (10167287989).

30496908891 is a wasteful number, since it uses less digits than its factorization.

30496908891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412925.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The spelling of 30496908891 in words is "thirty billion, four hundred ninety-six million, nine hundred eight thousand, eight hundred ninety-one".