30246880621 has 2 divisors, whose sum is σ = 30246880622. Its totient is φ = 30246880620.

The previous prime is 30246880591. The next prime is 30246880639. The reversal of 30246880621 is 12608864203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23697215721 + 6549664900 = 153939^2 + 80930^2 .

It is a cyclic number.

It is not a de Polignac number, because 30246880621 - 2⁹ = 30246880109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30246880681) 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 as a sum of consecutive naturals, namely, 15123440310 + 15123440311.

It is an arithmetic number, because the mean of its divisors is an integer number (15123440311).

Almost surely, 2^30246880621 is an apocalyptic number.

It is an amenable number.

30246880621 is a deficient number, since it is larger than the sum of its proper divisors (1).

30246880621 is an equidigital number, since it uses as much as digits as its factorization.

30246880621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 30246880621 in words is "thirty billion, two hundred forty-six million, eight hundred eighty thousand, six hundred twenty-one".