30936938273 has 2 divisors, whose sum is σ = 30936938274. Its totient is φ = 30936938272.

The previous prime is 30936938269. The next prime is 30936938293. The reversal of 30936938273 is 37283963903.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25892671744 + 5044266529 = 160912^2 + 71023^2 .

It is a cyclic number.

It is not a de Polignac number, because 30936938273 - 2² = 30936938269 is a prime.

It is not a weakly prime, because it can be changed into another prime (30936938243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15468469136 + 15468469137.

It is an arithmetic number, because the mean of its divisors is an integer number (15468469137).

Almost surely, 2^30936938273 is an apocalyptic number.

It is an amenable number.

30936938273 is a deficient number, since it is larger than the sum of its proper divisors (1).

30936938273 is an equidigital number, since it uses as much as digits as its factorization.

30936938273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 53.

The spelling of 30936938273 in words is "thirty billion, nine hundred thirty-six million, nine hundred thirty-eight thousand, two hundred seventy-three".