30048000621 has 4 divisors (see below), whose sum is σ = 40064000832. Its totient is φ = 20032000412.

The previous prime is 30048000613. The next prime is 30048000629. The reversal of 30048000621 is 12600084003.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (30048000613) and next prime (30048000629).

It is a cyclic number.

It is not a de Polignac number, because 30048000621 - 2³ = 30048000613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30048000591 and 30048000600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30048000629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5008000101 + ... + 5008000106.

It is an arithmetic number, because the mean of its divisors is an integer number (10016000208).

Almost surely, 2^30048000621 is an apocalyptic number.

It is an amenable number.

30048000621 is a deficient number, since it is larger than the sum of its proper divisors (10016000211).

30048000621 is a wasteful number, since it uses less digits than its factorization.

30048000621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10016000210.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30048000621 its reverse (12600084003), we get a palindrome (42648084624).

The spelling of 30048000621 in words is "thirty billion, forty-eight million, six hundred twenty-one", and thus it is an aban number.