30048454621 has 2 divisors, whose sum is σ = 30048454622. Its totient is φ = 30048454620.

The previous prime is 30048454591. The next prime is 30048454663. The reversal of 30048454621 is 12645484003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18810122500 + 11238332121 = 137150^2 + 106011^2 .

It is a cyclic number.

It is not a de Polignac number, because 30048454621 - 2⁹ = 30048454109 is a prime.

It is a super-2 number, since 2×30048454621² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30048454321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15024227310 + 15024227311.

It is an arithmetic number, because the mean of its divisors is an integer number (15024227311).

Almost surely, 2^30048454621 is an apocalyptic number.

It is an amenable number.

30048454621 is a deficient number, since it is larger than the sum of its proper divisors (1).

30048454621 is an equidigital number, since it uses as much as digits as its factorization.

30048454621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 30048454621 in words is "thirty billion, forty-eight million, four hundred fifty-four thousand, six hundred twenty-one".