30473016621 has 4 divisors (see below), whose sum is σ = 40630688832. Its totient is φ = 20315344412.

The previous prime is 30473016617. The next prime is 30473016631. The reversal of 30473016621 is 12661037403.

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 a cyclic number.

It is not a de Polignac number, because 30473016621 - 2² = 30473016617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473016611) 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, 5078836101 + ... + 5078836106.

It is an arithmetic number, because the mean of its divisors is an integer number (10157672208).

Almost surely, 2^30473016621 is an apocalyptic number.

It is an amenable number.

30473016621 is a deficient number, since it is larger than the sum of its proper divisors (10157672211).

30473016621 is a wasteful number, since it uses less digits than its factorization.

30473016621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10157672210.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 30473016621 in words is "thirty billion, four hundred seventy-three million, sixteen thousand, six hundred twenty-one".