30093921921 has 8 divisors (see below), whose sum is σ = 45857404864. Its totient is φ = 17196526800.

The previous prime is 30093921899. The next prime is 30093921937. The reversal of 30093921921 is 12912939003.

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

It is not a de Polignac number, because 30093921921 - 2¹⁴ = 30093905537 is a prime.

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 30093921921.

It is not an unprimeable number, because it can be changed into a prime (30093921961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716521930 + ... + 716521971.

It is an arithmetic number, because the mean of its divisors is an integer number (5732175608).

Almost surely, 2^30093921921 is an apocalyptic number.

It is an amenable number.

30093921921 is a deficient number, since it is larger than the sum of its proper divisors (15763482943).

30093921921 is a wasteful number, since it uses less digits than its factorization.

30093921921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433043911.

The product of its (nonzero) digits is 26244, while the sum is 39.

The spelling of 30093921921 in words is "thirty billion, ninety-three million, nine hundred twenty-one thousand, nine hundred twenty-one".