30354507149 has 4 divisors (see below), whose sum is σ = 30354943200. Its totient is φ = 30354071100.

The previous prime is 30354507143. The next prime is 30354507173. The reversal of 30354507149 is 94170545303.

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 30354507149 - 2⁴ = 30354507133 is a prime.

It is a super-2 number, since 2×30354507149² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30354507143) 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, 87599 + ... + 261500.

It is an arithmetic number, because the mean of its divisors is an integer number (7588735800).

Almost surely, 2^30354507149 is an apocalyptic number.

It is an amenable number.

30354507149 is a deficient number, since it is larger than the sum of its proper divisors (436051).

30354507149 is an equidigital number, since it uses as much as digits as its factorization.

30354507149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436050.

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

The spelling of 30354507149 in words is "thirty billion, three hundred fifty-four million, five hundred seven thousand, one hundred forty-nine".