30185002149 has 4 divisors (see below), whose sum is σ = 40246669536. Its totient is φ = 20123334764.

The previous prime is 30185002129. The next prime is 30185002151. The reversal of 30185002149 is 94120058103.

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.

It is a cyclic number.

It is not a de Polignac number, because 30185002149 - 2¹¹ = 30185000101 is a prime.

It is a super-2 number, since 2×30185002149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30185002129) 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, 5030833689 + ... + 5030833694.

It is an arithmetic number, because the mean of its divisors is an integer number (10061667384).

Almost surely, 2^30185002149 is an apocalyptic number.

It is an amenable number.

30185002149 is a deficient number, since it is larger than the sum of its proper divisors (10061667387).

30185002149 is a wasteful number, since it uses less digits than its factorization.

30185002149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10061667386.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 30185002149 in words is "thirty billion, one hundred eighty-five million, two thousand, one hundred forty-nine".