30000664849 has 3 divisors (see below), whose sum is σ = 30000838057. Its totient is φ = 30000491642.

The previous prime is 30000664801. The next prime is 30000664867. The reversal of 30000664849 is 94846600003.

The square root of 30000664849 is 173207.

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: 94846600003 = 2957 ⋅32075279.

It is not a de Polignac number, because 30000664849 - 2¹³ = 30000656657 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30000664349) 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, 86604 + ... + 259810.

Almost surely, 2^30000664849 is an apocalyptic number.

30000664849 is the 173207-th square number.

30000664849 is the 86604-th centered octagonal number.

It is an amenable number.

30000664849 is a deficient number, since it is larger than the sum of its proper divisors (173208).

30000664849 is an frugal number, since it uses more digits than its factorization.

30000664849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346414 (or 173207 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 30000664849 in words is "thirty billion, six hundred sixty-four thousand, eight hundred forty-nine".