30490784481 has 4 divisors (see below), whose sum is σ = 40654379312. Its totient is φ = 20327189652.

The previous prime is 30490784477. The next prime is 30490784491. The reversal of 30490784481 is 18448709403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30490784481 - 2² = 30490784477 is a prime.

It is a super-2 number, since 2×30490784481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30490784481.

It is not an unprimeable number, because it can be changed into a prime (30490784461) 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 3 ways as a sum of consecutive naturals, for example, 5081797411 + ... + 5081797416.

It is an arithmetic number, because the mean of its divisors is an integer number (10163594828).

Almost surely, 2^30490784481 is an apocalyptic number.

It is an amenable number.

30490784481 is a deficient number, since it is larger than the sum of its proper divisors (10163594831).

30490784481 is a wasteful number, since it uses less digits than its factorization.

30490784481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10163594830.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 30490784481 in words is "thirty billion, four hundred ninety million, seven hundred eighty-four thousand, four hundred eighty-one".