30866738373 has 6 divisors (see below), whose sum is σ = 44585288774. Its totient is φ = 20577825576.

The previous prime is 30866738351. The next prime is 30866738389. The reversal of 30866738373 is 37383766803.

It can be written as a sum of positive squares in only one way, i.e., 17381258244 + 13485480129 = 131838^2 + 116127^2 .

It is not a de Polignac number, because 30866738373 - 2¹² = 30866734277 is a prime.

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 (30866738393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1714818790 + ... + 1714818807.

Almost surely, 2^30866738373 is an apocalyptic number.

It is an amenable number.

30866738373 is a deficient number, since it is larger than the sum of its proper divisors (13718550401).

30866738373 is a wasteful number, since it uses less digits than its factorization.

30866738373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429637603 (or 3429637600 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 30866738373 in words is "thirty billion, eight hundred sixty-six million, seven hundred thirty-eight thousand, three hundred seventy-three".