30649168198273 has 4 divisors (see below), whose sum is σ = 30649589177860. Its totient is φ = 30648747218688.

The previous prime is 30649168198241. The next prime is 30649168198301. The reversal of 30649168198273 is 37289186194603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16501850689009 + 14147317509264 = 4062247^2 + 3761292^2 .

It is a cyclic number.

It is not a de Polignac number, because 30649168198273 - 2⁵ = 30649168198241 is a prime.

It is a super-2 number, since 2×30649168198273² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30649168198199 and 30649168198208.

It is not an unprimeable number, because it can be changed into a prime (30649118198273) 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, 210380568 + ... + 210526201.

It is an arithmetic number, because the mean of its divisors is an integer number (7662397294465).

Almost surely, 2^{30649168198273} is an apocalyptic number.

It is an amenable number.

30649168198273 is a deficient number, since it is larger than the sum of its proper divisors (420979587).

30649168198273 is an equidigital number, since it uses as much as digits as its factorization.

30649168198273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420979586.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 30649168198273 in words is "thirty trillion, six hundred forty-nine billion, one hundred sixty-eight million, one hundred ninety-eight thousand, two hundred seventy-three".