30730586153 has 4 divisors (see below), whose sum is σ = 30730937028. Its totient is φ = 30730235280.

The previous prime is 30730586083. The next prime is 30730586177. The reversal of 30730586153 is 35168503703.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 30634800784 + 95785369 = 175028^2 + 9787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30730586153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30730586153.

It is not an unprimeable number, because it can be changed into a prime (30730576153) 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, 77375 + ... + 259707.

It is an arithmetic number, because the mean of its divisors is an integer number (7682734257).

Almost surely, 2^30730586153 is an apocalyptic number.

It is an amenable number.

30730586153 is a deficient number, since it is larger than the sum of its proper divisors (350875).

30730586153 is a wasteful number, since it uses less digits than its factorization.

30730586153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350874.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 30730586153 in words is "thirty billion, seven hundred thirty million, five hundred eighty-six thousand, one hundred fifty-three".