30553561073 has 4 divisors (see below), whose sum is σ = 34918355520. Its totient is φ = 26188766628.

The previous prime is 30553561069. The next prime is 30553561133. The reversal of 30553561073 is 37016535503.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37016535503 = 241 ⋅153595583.

It is a cyclic number.

It is not a de Polignac number, because 30553561073 - 2² = 30553561069 is a prime.

It is a super-2 number, since 2×30553561073² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30553561013) 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 in 3 ways as a sum of consecutive naturals, for example, 2182397213 + ... + 2182397226.

It is an arithmetic number, because the mean of its divisors is an integer number (8729588880).

Almost surely, 2^30553561073 is an apocalyptic number.

It is an amenable number.

30553561073 is a deficient number, since it is larger than the sum of its proper divisors (4364794447).

30553561073 is an equidigital number, since it uses as much as digits as its factorization.

30553561073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364794446.

The product of its (nonzero) digits is 141750, while the sum is 38.

The spelling of 30553561073 in words is "thirty billion, five hundred fifty-three million, five hundred sixty-one thousand, seventy-three".