30325784449 has 3 divisors (see below), whose sum is σ = 30325958593. Its totient is φ = 30325610306.

The previous prime is 30325784393. The next prime is 30325784453. The reversal of 30325784449 is 94448752303.

The square root of 30325784449 is 174143.

It is a perfect power (a square), and thus also a powerful number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94448752303 = 17 ⋅5555808959.

It is not a de Polignac number, because 30325784449 - 2⁹ = 30325783937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30325784249) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 87072 + ... + 261214.

Almost surely, 2^30325784449 is an apocalyptic number.

30325784449 is the 174143-rd square number.

30325784449 is the 87072-nd centered octagonal number.

It is an amenable number.

30325784449 is a deficient number, since it is larger than the sum of its proper divisors (174144).

30325784449 is an frugal number, since it uses more digits than its factorization.

30325784449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348286 (or 174143 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

Multiplying 30325784449 by its sum of digits (49), we get a square (1485963438001 = 1219001²).

The spelling of 30325784449 in words is "thirty billion, three hundred twenty-five million, seven hundred eighty-four thousand, four hundred forty-nine".