30505642573 has 8 divisors (see below), whose sum is σ = 35094477440. Its totient is φ = 25974529200.

The previous prime is 30505642567. The next prime is 30505642589. The reversal of 30505642573 is 37524650503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30505642573 - 2¹³ = 30505634381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30505642273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14429238 + ... + 14431351.

It is an arithmetic number, because the mean of its divisors is an integer number (4386809680).

Almost surely, 2^30505642573 is an apocalyptic number.

It is an amenable number.

30505642573 is a deficient number, since it is larger than the sum of its proper divisors (4588834867).

30505642573 is a wasteful number, since it uses less digits than its factorization.

30505642573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28860747.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 30505642573 in words is "thirty billion, five hundred five million, six hundred forty-two thousand, five hundred seventy-three".