30555836197 has 2 divisors, whose sum is σ = 30555836198. Its totient is φ = 30555836196.

The previous prime is 30555836107. The next prime is 30555836221. The reversal of 30555836197 is 79163855503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27326073636 + 3229762561 = 165306^2 + 56831^2 .

It is a cyclic number.

It is not a de Polignac number, because 30555836197 - 2²³ = 30547447589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30555836107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15277918098 + 15277918099.

It is an arithmetic number, because the mean of its divisors is an integer number (15277918099).

Almost surely, 2^30555836197 is an apocalyptic number.

It is an amenable number.

30555836197 is a deficient number, since it is larger than the sum of its proper divisors (1).

30555836197 is an equidigital number, since it uses as much as digits as its factorization.

30555836197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 52.

The spelling of 30555836197 in words is "thirty billion, five hundred fifty-five million, eight hundred thirty-six thousand, one hundred ninety-seven".