30450621053053 has 2 divisors, whose sum is σ = 30450621053054. Its totient is φ = 30450621053052.

The previous prime is 30450621053029. The next prime is 30450621053089. The reversal of 30450621053053 is 35035012605403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30127221835929 + 323399217124 = 5488827^2 + 568682^2 .

It is a cyclic number.

It is not a de Polignac number, because 30450621053053 - 2⁹ = 30450621052541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30450621053003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15225310526526 + 15225310526527.

It is an arithmetic number, because the mean of its divisors is an integer number (15225310526527).

Almost surely, 2^{30450621053053} is an apocalyptic number.

It is an amenable number.

30450621053053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30450621053053 is an equidigital number, since it uses as much as digits as its factorization.

30450621053053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 30450621053053 its reverse (35035012605403), we get a palindrome (65485633658456).

The spelling of 30450621053053 in words is "thirty trillion, four hundred fifty billion, six hundred twenty-one million, fifty-three thousand, fifty-three".