30575216745 has 16 divisors (see below), whose sum is σ = 54355941120. Its totient is φ = 16306782192.

The previous prime is 30575216743. The next prime is 30575216759. The reversal of 30575216745 is 54761257503.

It is a happy number.

30575216745 is a `hidden beast` number, since 3 + 0 + 57 + 521 + 6 + 74 + 5 = 666.

It is not a de Polignac number, because 30575216745 - 2¹ = 30575216743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 30575216745.

It is not an unprimeable number, because it can be changed into a prime (30575216741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113241409 + ... + 113241678.

It is an arithmetic number, because the mean of its divisors is an integer number (3397246320).

Almost surely, 2^30575216745 is an apocalyptic number.

It is an amenable number.

30575216745 is a deficient number, since it is larger than the sum of its proper divisors (23780724375).

30575216745 is a wasteful number, since it uses less digits than its factorization.

30575216745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226483101 (or 226483095 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The spelling of 30575216745 in words is "thirty billion, five hundred seventy-five million, two hundred sixteen thousand, seven hundred forty-five".