30450621053033 has 4 divisors (see below), whose sum is σ = 30506906859588. Its totient is φ = 30394335246480.

The previous prime is 30450621053029. The next prime is 30450621053053. The reversal of 30450621053033 is 33035012605403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12605851422784 + 17844769630249 = 3550472^2 + 4224307^2 .

It is a cyclic number.

It is not a de Polignac number, because 30450621053033 - 2² = 30450621053029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30450621052984 and 30450621053002.

It is not an unprimeable number, because it can be changed into a prime (30450621053003) 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, 28142902466 + ... + 28142903547.

It is an arithmetic number, because the mean of its divisors is an integer number (7626726714897).

Almost surely, 2^{30450621053033} is an apocalyptic number.

It is an amenable number.

30450621053033 is a deficient number, since it is larger than the sum of its proper divisors (56285806555).

30450621053033 is an equidigital number, since it uses as much as digits as its factorization.

30450621053033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56285806554.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 30450621053033 its reverse (33035012605403), we get a palindrome (63485633658436).

The spelling of 30450621053033 in words is "thirty trillion, four hundred fifty billion, six hundred twenty-one million, fifty-three thousand, thirty-three".